Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Contributions	$ 32	$ 34	$ 39
Amortized from accumulated other comprehensive income into net periodic benefit cost	6
Net actuarial loss of accumulated other comprehensive income into net periodic benefit cost	5
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	386	421
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	228	243
Defined Benefit Plan, Accumulated Benefit Obligation	646	703
Estimated future benefit payments, 2014	23
Estimated future benefit payments, 2015	23
Estimated future benefit payments, 2016	25
Estimated future benefit payments, 2017	28
Estimated future benefit payments, 2018	28
Estimated future benefit payments, 2019 to 2023	156
Contribution to multiemployer plans	$ 9	$ 9	$ 8
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets allocation, minimum	45.00%
Percentage of plan assets allocation, maximum	65.00%
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets allocation, minimum	35.00%
Percentage of plan assets allocation, maximum	55.00%
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets	7.25%	7.50%	7.50%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	$ 2
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets	4.65%	5.30%	5.25%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	$ 8