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v3.19.3.a.u2

Share-based Compensation and Employee Benefits - Components of Funded Status (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Non-current benefit asset | $ 0 | $ 0
Current benefit liability | 0 | 0
Non-current benefit liability | (620) | (702)
Funded status - net liability at December 31, | (620) | (702)
OPEB |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Non-current benefit asset | 231 | 190
Current benefit liability | (18) | (13)
Non-current benefit liability | (213) | (210)
Funded status - net liability at December 31, | 0 | (33)
OPEB | Other Affiliates [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Non-current benefit asset | $ 39 | $ 32

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