Leases - Summary of Leases by Balance Sheet Location (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Operating	$ 289	$ 430
Liabilities
Operating lease liabilities	150	153
Operating - noncurrent	200	316
Total lease liabilities	$ 350	$ 469
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities