Employee Compensation and Benefit Plans - Pension Plan (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2020 |
Apr. 01, 2020 |
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| Share-based Payment Arrangement [Abstract] | |||
| Interest on projected benefit obligations | $ 17 | $ 17 | |
| Expected return on pension plan assets | (15) | (15) | |
| Net pension expense | 2 | 2 | |
| Contributions to benefit plan | 16 | 16 | |
| Expected contributions to the Plan through end of fiscal year | 42 | 42 | |
| Postretirement benefit plan assets | 1,200 | 1,200 | $ 1,200 |
| Projected benefit obligations | 2,100 | 2,100 | 2,100 |
| Underfunded status of plan | $ 900 | $ 900 | $ 900 |
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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