v3.22.4

Employee Benefit Plans - Fair Value of the Pension Assets (Details) - Pension Benefits - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | $ 2,266 | $ 3,147 | $ 3,202
Fixed income and cash investment funds |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 1,482 | 1,890 |
Global equity securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 180 | 250 |
U.S. equity securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 102 | 222 |
Insurance contracts |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 100 | 112 |
Real estate |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 53 | 59 |
Private equities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | 37 | 48 |
Other investments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Fair values of the plan assets by asset category and by levels of fair value | $ 313 | $ 566 |

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