2101100 - Disclosure - Accounting Policies
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2201201 - Disclosure - Accounting Policies (Policy)
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2401403 - Disclosure - Accounting Policies (Previously Reported Third-Party Distribution, Service And Advisory And Marketing Expenses) (Details)
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2301302 - Disclosure - Accounting Policies (Tables)
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2110100 - Disclosure - Commitments And Contingencies
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2410401 - Disclosure - Commitments And Contingencies (Details)
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1001000 - Statement - Condensed Consolidated Balance Sheets
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1001500 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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1003000 - Statement - Condensed Consolidated Statements Of Cash Flows
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1004000 - Statement - Condensed Consolidated Statements Of Changes In Equity
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1002000 - Statement - Condensed Consolidated Statements Of Income
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2111100 - Disclosure - Consolidated Investment Products
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2411408 - Disclosure - Consolidated Investment Products (Beginning And Ending Fair Value Measurements For Level 3 Assets And Liabilities) (Details)
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2411403 - Disclosure - Consolidated Investment Products (Company's Maximum Risk Of Loss In Significant VIE's) (Details)
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2411405 - Disclosure - Consolidated Investment Products (Condensed Consolidating Balance Sheet Line Items Reflecting Impact Of Consolidation Of Investment Products Into The Condensed Consolidated Balance Sheets) (Details)
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2411406 - Disclosure - Consolidated Investment Products (Condensed Consolidating Statement Of Income Line Items Reflecting Impact Of Consolidation Of Investment Products Into The Condensed Consolidated Statements Of Income) (Details)
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2411407 - Disclosure - Consolidated Investment Products (Fair Value Hierarchy Levels Of Investments Held And Notes Issued By Consolidated Investment Products) (Details)
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2411402 - Disclosure - Consolidated Investment Products (Narrative) (Details)
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2311301 - Disclosure - Consolidated Investment Products (Tables)
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2411404 - Disclosure - Consolidated Investment Products (VIE Balance Sheets Consolidated In Period) (Details)
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2104100 - Disclosure - Debt
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2404404 - Disclosure - Debt (Analysis Of Borrowings By Maturity) (Details)
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2404402 - Disclosure - Debt (Narrative) (Details)
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2404403 - Disclosure - Debt (Schedule Of Long-Term Debt Instruments) (Details)
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2304301 - Disclosure - Debt (Tables)
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0001000 - Document - Document and Entity Information
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2109100 - Disclosure - Earnings Per Share
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2409403 - Disclosure - Earnings Per Share (Calculation Of Earnings Per Share) (Details)
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2409402 - Disclosure - Earnings Per Share (Narrative) (Details)
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2309301 - Disclosure - Earnings Per Share (Tables)
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2102100 - Disclosure - Fair Value Of Assets And Liabilities
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2402403 - Disclosure - Fair Value Of Assets And Liabilities (Fair Value Of Financial Instruments Held By Consolidated Investments) (Details)
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2402402 - Disclosure - Fair Value Of Assets And Liabilities (Narrative) (Details)
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2402405 - Disclosure - Fair Value Of Assets And Liabilities (Reconciliation Of Balance, Fair Value Measurement, Level 3) (Details)
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2302301 - Disclosure - Fair Value Of Assets And Liabilities (Tables)
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2402404 - Disclosure - Fair Value Of Assets And Liabilities (Tri-Level Hierarchy, Carrying Value) (Details)
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2112100 - Disclosure - Guarantor Condensed Consolidating Financial Statements
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2412403 - Disclosure - Guarantor Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheets) (Details)
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2412405 - Disclosure - Guarantor Condensed Consolidating Financial Statements (Condensed Consolidating Statements Of Cash Flows) (Details)
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2412404 - Disclosure - Guarantor Condensed Consolidating Financial Statements Guarantor Condensed Consolidating Financial Statements (Condensed Consolidating Statements Of Income) (Details)
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2412402 - Disclosure - Guarantor Condensed Consolidating Financial Statements (Narrative) (Details)
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2312301 - Disclosure - Guarantor Condensed Consolidating Financial Statements (Tables)
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2103100 - Disclosure - Investments
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2403408 - Disclosure - Investments (Breakdown Of Available-For-Sale Investments With Unrealized Losses) (Details)
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2403403 - Disclosure - Investments (Details Of Company Investments, Current) (Details)
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2403404 - Disclosure - Investments (Details Of Company Investments, Non-Current) (Details)
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2403406 - Disclosure - Investments (Gross Unrealized Holding Gains And Losses Recognized In Other Accumulated Comprehensive Income From Available-For-Sale Investments) (Details)
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2403407 - Disclosure - Investments (Maturities Of Available-For-Sale Debt Securities) (Details)
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2403402 - Disclosure - Investments (Narrative) (Details)
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2403405 - Disclosure - Investments (Realized Gains Losses Available-For-Sale Securities) (Details)
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2403409 - Disclosure - Investments (Rollforward Of Cumulative Credit-Related Other-Than-Temporary Impairment Charges Recognized In Earnings) (Details)
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2303301 - Disclosure - Investments (Tables)
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2107100 - Disclosure - Retirement Benefit Plans
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2407403 - Disclosure - Retirement Benefit Plans (Components Of Net Periodic Benefit Cost) (Details)
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2407402 - Disclosure - Retirement Benefit Plans (Narrative) (Details)
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2307301 - Disclosure - Retirement Benefit Plans (Tables)
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2106100 - Disclosure - Share-Based Compensation
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2406405 - Disclosure - Share-Based Compensation (Changes In Share Options Awards) (Details)
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2406404 - Disclosure - Share-Based Compensation (Movements Of Share Awards Priced In Pounds Sterling) (Details)
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2406403 - Disclosure - Share-Based Compensation (Movements On Share Awards Priced In U.S. Dollars) (Details)
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2406402 - Disclosure - Share-Based Compensation (Narrative) (Details)
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2306301 - Disclosure - Share-Based Compensation (Tables)
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2105100 - Disclosure - Share Capital
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2405403 - Disclosure - Share Capital (Movements In Shares Issued And Outstanding) (Details)
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2405402 - Disclosure - Share Capital (Narrative) (Details)
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2305301 - Disclosure - Share Capital (Tables)
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2113100 - Disclosure - Subsequent Events
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2413401 - Disclosure - Subsequent Events (Details)
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2108100 - Disclosure - Taxation
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2408401 - Disclosure - Taxation (Details)
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