Leases - Schedule of Future Minimum Operating and Finance Lease Payments (Details) $ in Millions	Dec. 31, 2020 USD ($)
Operating Leases
2021	$ 21
2022	18
2023	16
2024	10
2025	8
Thereafter	27
Total lease payments	100
Less imputed interest	11
Total lease liabilities	89
Finance Lease Liabilities, Payments, Due [Abstract]
2021	6
2022	8
2023	8
2024	8
2025	4
Thereafter	32
Total lease payments	66
Less imputed interest	16
Total lease liabilities	$ 50