Leases - Future Minimum Lease Payments to be Made Under Non-Cancelable Operating Leases Along with Lease and Sublease Minimum Receipts to be Received on Owned and Leased Properties (Detail) $ in Millions	Dec. 31, 2016 USD ($)
Leases [Abstract]
Operating leases, Future Minimum Lease Payments, 2017	$ 72
Operating leases, Future Minimum Lease Payments, 2018	59
Operating leases, Future Minimum Lease Payments, 2019	51
Operating leases, Future Minimum Lease Payments, 2020	54
Operating leases, Future Minimum Lease Payments, 2021	53
Operating leases, Future Minimum Lease Payments, Thereafter	349
Operating leases, Future Minimum Lease Payments, Total	638
Operating leases, Future Minimum Lease Receipts, 2017	5
Operating leases, Future Minimum Lease Receipts, 2018	5
Operating leases, Future Minimum Lease Receipts, 2019	4
Operating leases, Future Minimum Lease Receipts, 2020	4
Operating leases, Future Minimum Lease Receipts, 2021	4
Operating leases, Future Minimum Lease Receipts, Thereafter	19
Operating leases, Future Minimum Lease Receipts, Total	$ 41