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Accounts Receivable, Net	12 Months Ended
Accounts Receivable, Net	Dec. 31, 2022
Receivables [Abstract]
Accounts Receivable, Net	Accounts Receivable, Net Accounts receivable, net consists of freight and other receivables, reduced by an allowance for credit losses which is based upon expected collectability. As of December 31, 2022 and 2021, $32 million and $40 million, respectively, of such allowances had been recorded.