Annual report pursuant to Section 13 and 15(d)

Leases - Supplemental Cash Flow Information (Details)

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Leases - Supplemental Cash Flow Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Cash paid for amounts included in the measurement of lease liabilities:  
Operating cash flows from operating leases $ 75
Operating cash flows from finance leases 9
Financing cash flows from finance leases 22
Operating leases- ROU assets obtained in exchange for lease obligations 173
Finance leases - ROU assets obtained in exchange for lease obligations $ 16