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Recent Accounting Pronouncements Recent Accounting Pronouncements - Maturities of Finance Lease Liabilities (Details) $ in Millions	Mar. 31, 2019 USD ($)
Finance Lease Payments
2019 (remaining)	$ 8
2020	6
2021	5
2022	4
2023	1
Thereafter	0
Total undiscounted finance lease payments	24
Less imputed interest	1
Present value of finance lease liabilities	$ 23

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Present value of lessee's discounted obligation for lease payments from finance lease.

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