Leases Schedule of Future Lease Payments (Details) $ in Millions	Dec. 31, 2019 USD ($)
Remainder of 2020	$ 61
2021	114
2022	93
2023	71
2024	48
Thereafter	166
Total future lease payments	553
Less: leases not yet commenced (1)	61
Less: imputed interest	51
Total lease liabilities	426
Total lease liabilities	15
Total Lease Liability	441
Operating Leases
Remainder of 2020	59
2021	108
2022	89
2023	67
2024	47
Thereafter	166
Total future lease payments	536
Less: leases not yet commenced (1)	61
Less: imputed interest	49
Total lease liabilities	426
Finance Leases
Remainder of 2020	2
2021	6
2022	4
2023	4
2024	1
Thereafter	0
Total future lease payments	17
Less: leases not yet commenced (1)	0
Less: imputed interest	2
Total lease liabilities	$ 15