Fair Value Measurements - Schedule of Fair Value of Hedges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Gains (losses) recorded in accumulated other comprehensive loss, net of tax	$ 19
Other liabilities | Interest rate swap
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative fair value	16	$ 0
Gains (losses) recorded in accumulated other comprehensive loss, net of tax	16	0	$ 0
Other assets | Cross-currency interest rate swaps
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative fair value	41	18
Gains (losses) recorded in accumulated other comprehensive loss, net of tax	$ 23	$ 18	$ 0