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Operating Expenses - Schedule Of Operating Expenses By Nature (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of attribution of expenses by nature to their function [line items]      
Depreciation and amortization $ 1,233 $ 1,120 $ 1,120
Other operating expenses 265 467 82
Total operating expenses 3,747 3,261 2,917
Operating Expenses [Member]      
Disclosure of attribution of expenses by nature to their function [line items]      
Transportation costs 1,793 1,676 1,502
Payroll 1,154 1,038 905
Depreciation and amortization 216 191 186
Professional legal, accounting and advisory services 236 145 144
Maintenance, repairs and supplies 99 84 76
Other operating expenses 249 127 104
Total operating expenses $ 3,747 $ 3,261 $ 2,917