v3.22.0.1

Interest Cost Components - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Allocation of ParentCo's financing costs | $ 100 | $ 118 | $ 115
Write off from debt issuance costs |  | 19 |
Spin-off |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Allocation of ParentCo's financing costs |  | $ 28 | $ 115

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