00100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS
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00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
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00300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
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40202 - Disclosure - Consolidation - VREs (Details)
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40301 - Disclosure - Investment Securities - General Disclosure (Details)
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40401 - Disclosure - Fair Value Measurements - Level of Fair Value (Details)
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40403 - Disclosure - Fair Value Measurements - Contingent Consideration (Details)
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40501 - Disclosure - Goodwill and Intangible Assets (Details)
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40601 - Disclosure - Debt (Details)
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41001 - Disclosure - Retirement Benefit Plans (Details)
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41102 - Disclosure - Accumulated Other Comprehensive Loss - OCI (Details)
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41201 - Disclosure - Earnings and Dividends Per Share (Details)
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00090 - Document - Document and Entity Information
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00105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)
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00400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY
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10101 - Disclosure - Basis of Presentation and Significant Accounting Policies
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10201 - Disclosure - Consolidation
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10301 - Disclosure - Investment Securities
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10401 - Disclosure - Fair Value Measurements
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10501 - Disclosure - Goodwill and Intangible Assets
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10601 - Disclosure - Debt
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10701 - Disclosure - Income Taxes
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10801 - Disclosure - Noncontrolling Interests
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10901 - Disclosure - Long-Term Incentive and Employee Compensation
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11001 - Disclosure - Retirement Benefit Plans
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11101 - Disclosure - Accumulated Other Comprehensive Loss
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11201 - Disclosure - Earnings and Dividends Per Share
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11301 - Disclosure - Commitments and Contingencies
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20102 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)
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30103 - Disclosure - Basis of Presentation and Significant Accounting Policies (Tables)
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30203 - Disclosure - Consolidation (Tables)
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30303 - Disclosure - Investment Securities (Tables)
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30403 - Disclosure - Fair Value Measurements (Tables)
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30503 - Disclosure - Goodwill and Intangible Assets (Tables)
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30603 - Disclosure - Debt (Tables)
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30703 - Disclosure - Income Taxes (Tables)
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30803 - Disclosure - Noncontrolling Interests (Tables)
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31003 - Disclosure - Retirement Benefit Plans (Tables)
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31103 - Disclosure - Accumulated Other Comprehensive Loss (Tables)
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31203 - Disclosure - Earnings and Dividends Per Share (Tables)
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40101 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details)
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40201 - Disclosure - Consolidation - VIEs (Details)
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40302 - Disclosure - Investment Securities - Offsetting Derivatives (Details)
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40402 - Disclosure - Fair Value Measurements - Valuation techniques and significant unobservable inputs (Details)
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40404 - Disclosure - Fair Value Measurements - Acquisition of Geneva (Details)
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40405 - Disclosure - Fair Value Measurements - Acquisition of Perennial (Details)
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40406 - Disclosure - Fair Value Measurements - Acquisition of Kapstream (Details)
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40407 - Disclosure - Fair Value Measurements - Acquisition of VelocityShares (Details)
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40408 - Disclosure - Fair Value Measurements - Disposal of Volantis (Details)
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40409 - Disclosure - Fair Value Measurements - Dai-ichi Options (Details)
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40410 - Disclosure - Fair Value Measurements - Level 3 Rollforward (Details)
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40701 - Disclosure - Income Taxes (Details)
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40801 - Disclosure - Noncontrolling Interests - Redeemable (Details)
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40802 - Disclosure - Noncontrolling Interests - Nonredeemable (Details)
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40901 - Disclosure - Long-Term Incentive and Employee Compensation (Details)
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41101 - Disclosure - Accumulated Other Comprehensive Loss (Details)
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41301 - Disclosure - Commitments and Contingencies (Details)
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