Revenue - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Wholesale and retail trade accounts receivable	$ 2,431		$ 2,061
Allowance for credit losses	(104)	$ (88)	(79)
Trade accounts receivable — net	2,327		1,982
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses on accounts receivable at beginning of period	79	61
Increase for bad debt expense	152	132
Decrease for account write-offs	(127)	(105)
Allowance for credit losses on accounts receivable at end of period	104	$ 88
Trade accounts receivable from contracts with customers — net
Financing Receivable, Allowance for Credit Loss [Line Items]
Trade accounts receivable — net	1,776		1,514
Other trade accounts receivable — net
Financing Receivable, Allowance for Credit Loss [Line Items]
Trade accounts receivable — net	$ 551		$ 468