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Discontinued Operations - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Income (loss) from discontinued operations, net of taxes $ 2 $ 45 $ (1) $ 501
Spinoff | RXO        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Incurred cost 16 18 40 21
Income (loss) from discontinued operations, net of taxes $ 0 $ 17 $ 4 $ 20