v3.19.3.a.u2
Leases - Schedule of Future Minimum Lease Payments Under Non-Cancellable Leases ASC 840 (Detail)
$ in Millions
Dec. 31, 2018
USD ($)
Leases [Abstract]  
Operating Leases, 2019 $ 276
Operating Leases, 2020 257
Operating Leases, 2021 230
Operating Leases, 2022 183
Operating Leases, 2023 158
Operating Leases, Thereafter 524
Operating Leases, Total minimum lease payments 1,628
Finance Leases, 2019 417
Finance Leases, 2020 503
Finance Leases, 2021 506
Finance Leases, 2022 24
Finance Leases, 2023 5
Finance Leases, Thereafter 6
Total minimum lease payments, Finance Leases 1,461
Less: Interest 122
Present value of lease obligations 1,339
Less: Current portion, Finance Leases 346
Long-term portion of lease obligations $ 993