Receivables, Allowance for Credit Losses and Credit Quality of Receivables - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	$ 19	$ 19
Notes receivable allowance	(50)	(54)	$ (78)	$ (81)
Long-term receivables, net	448	440
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	498	494
Notes receivable allowance	(50)	(54)
Long-term receivables, net	448	440
UNITED STATES | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	257	321
Notes receivable allowance	(21)	(18)
International
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable allowance	(29)	(36)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	241	173
Notes receivable allowance	(29)	(36)
Balances Over 90 days Past Due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	38	81
Notes receivable allowance for balances over 90 days past due	(23)	(25)
Notes receivable, net, balances over 90 days past due	15	56
Balances Over 90 days Past Due | UNITED STATES | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	17	37
Notes receivable allowance for balances over 90 days past due	(4)	(6)
Balances Over 90 days Past Due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	21	44
Notes receivable allowance for balances over 90 days past due	$ (19)	$ (19)