Depreciation Expense and Capital Expenditure by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Depreciation expense	$ 647	$ 713	$ 853
Capital expenditures	1,224	1,514	1,642
Latin America Segment
Segment Reporting Information [Line Items]
Depreciation expense	92	94	118
Capital expenditures	321	354	460
Asia Middle East Africa Segment
Segment Reporting Information [Line Items]
Depreciation expense	161	155	154
Capital expenditures	349	381	451
Europe Segment
Segment Reporting Information [Line Items]
Depreciation expense	253	299	407
Capital expenditures	294	517	553
North America Segment
Segment Reporting Information [Line Items]
Depreciation expense	141	165	174
Capital expenditures	$ 260	$ 262	$ 178