Accounts Receivable and Notes Receivable and Credit Quality of Receivables - Allowance for Notes Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2024
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for credit losses, beginning of period	$ (34)	$ (39)	$ (40)	$ (44)	$ (40)	$ 41
Provision	0	0	(1)	(2)	(6)	(1)
Charge-offs and recoveries	1	5	0	1	2	2
Allowance for credit losses, end of period	$ (33)	(34)	(39)	$ (41)	$ (44)	$ (40)
Balances over 90 days past due
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Percent Past Due	4.00%						4.00%
United States and Canada
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for credit losses, beginning of period	$ (14)	(15)	(15)
Provision	0	0	0
Charge-offs and recoveries	0	1	0
Allowance for credit losses, end of period	(14)	(14)	(15)
International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for credit losses, beginning of period	(20)	(24)	(25)
Provision	0	0	(1)
Charge-offs and recoveries	1	4	0
Allowance for credit losses, end of period	$ (19)	$ (20)	$ (24)