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Schedule I - Condensed Financial Information Of Parent Other Income (Expense), Net (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other Nonoperating Income (Expense) [Line Items] |  |  |
Non-service cost components of net periodic benefit income | $ 184 | $ 136 | $ 116
Donations | (26) | (9) | (25)
Total other expense, net | 226 | 202 | 151
Parent Company |  |  |
Other Nonoperating Income (Expense) [Line Items] |  |  |
Non-service cost components of net periodic benefit income | 3 | 1 | 1
Donations | (15) | 0 | (8)
Other expense, net | (1) | (1) | (1)
Total other expense, net | $ (13) | $ 0 | $ (8)

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