Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Contributions	$ 33	$ 32	$ 34
Amortized from accumulated other comprehensive income into net periodic benefit cost	9
Net actuarial loss of accumulated other comprehensive income into net periodic benefit cost	8
Prior service cost of accumulated other comprehensive income into net periodic benefit cost	1
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation	720	386
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	523	228
Defined Benefit Plan, Accumulated Benefit Obligation	712	646
Estimated future benefit payments, 2014	23
Estimated future benefit payments, 2015	25
Estimated future benefit payments, 2016	27
Estimated future benefit payments, 2017	27
Estimated future benefit payments, 2018	28
Estimated future benefit payments, 2019 to 2023	158
Contribution to multiemployer plans	$ 9	$ 9	$ 9
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets allocation, minimum	40.00%
Percentage of plan assets allocation, maximum	60.00%
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets allocation, minimum	40.00%
Percentage of plan assets allocation, maximum	60.00%
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets	7.00%	7.25%	7.50%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	$ 4
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets	4.45%	4.65%	5.30%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	$ 7