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Lease Commitments - Lease Maturity (Details) $ in Millions | Mar. 31, 2019 USD ($)
--- | ---
Operating Lease Liabilities, Payments Due [Abstract] |
Remainder of 2019 | $ 206
2020 | 244
2021 | 217
2022 | 192
2023 | 138
Thereafter | 494
Total undiscounted future minimum lease payments | 1,491
Imputed interest | (161)
Present value of lease liabilities | 1,330
Finance Lease Liabilities, Payments, Due [Abstract] |
Remainder of 2019 | 26
2020 | 27
2021 | 23
2022 | 2
2023 | 0
Thereafter | 0
Total undiscounted future minimum lease payments | 78
Imputed interest | (1)
Present value of lease liabilities | 77
Sublease Income, Payments Due [Abstract] |
Remainder of 2019 | (26)
2020 | (31)
2021 | (31)
2022 | (32)
2023 | (14)
Thereafter | 4
Total undiscounted future minimum lease payments | (138)
Imputed interest | 0
Present value of lease liabilities | (138)
Total |
Remainder of 2019 | 206
2020 | 240
2021 | 209
2022 | 162
2023 | 124
Thereafter | 490
Total undiscounted future minimum lease payments | 1,431
Imputed interest | 162
Present value of lease liabilities | $ 1,269

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