Supplemental Cash Flow Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Interest	$ 72	$ 71	$ 53
Income taxes	136	98	71
Stock compensation plans	13	15	10
Conversion of preferred stock into common stock	139	0	9
Conversion of preferred dividends into common stock	1	0	0
Dividends on preferred stock accrued not paid	4	8	8
Per share preferred dividends not paid	$ 1.00	$ 1.00	$ 1.00
Supplemental Cash Flow Information [Abstract]
Change in accounts receivable	12	146	(258)
Change in inventories	50	38	(99)
Change in accounts payable	60	(173)	204
Change in accrued payroll and employee benefits	7	8	8
Change in accrued income taxes	(11)	23	30
Change in other current assets and liabilities	(14)	(21)	(6)
Net	$ 104	$ 21	$ (121)