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Operating Expenses - Schedule Of Operating Expenses By Nature (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of attribution of expenses by nature to their function [line items]      
Depreciation and amortization $ 1,120 $ 1,120 $ 1,105
Other operating expenses (467) (82) (1,763)
Total operating expenses 3,261 2,917 2,791
Operating Expenses [Member]      
Disclosure of attribution of expenses by nature to their function [line items]      
Transportation costs 1,676 1,502 1,313
Payroll 1,038 905 935
Depreciation and amortization 191 186 191
Professional legal, accounting and advisory services 145 144 174
Maintenance, repairs and supplies 84 76 72
Other operating expenses 127 104 106
Total operating expenses $ 3,261 $ 2,917 $ 2,791