- Components of Our Net Deferred Tax Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Disclosure Components Of Our Net Deferred Tax Assets [Abstract]
U.S. federal	$ 0	$ 0
State	23	23
Foreign	78	63
Tax credit benefits	88	51
Postretirement benefits other than pensions	43	50
Pensions	36	87
Bad debts	1	1
Sales allowances	6	6
Payroll and other accruals	132	119
Valuation allowance	(135)	(118)
Total deferred tax assets	272	282
Tax over book depreciation	56	57
Other	51	70
Total deferred tax liabilities	107	127
Net deferred tax assets	$ 165	$ 155