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Leases - Remaining Minimum Lease Payments (Details) $ in Millions	Mar. 31, 2021 USD ($)
Operating Leases
Remainder of 2021	$ 11
2022	13
2023	9
2024	6
2025	2
Thereafter	5
Total lease payments	46
Less: imputed interest	(4)
Total lease liability	42
Finance Leases
Remainder of 2021	8
2022	11
2023	10
2024	10
2025	10
Thereafter	33
Total lease payments	82
Less: imputed interest	(23)
Total lease liability	$ 59

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