Note 10 - Segment Information (Detail) - Reconciliation of EBIT to Operating Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating income	$ 54	$ 24	$ 407	$ 322
Other income	6	1	19	4
EBIT	60	25	426	326
Interest expense, net	45	31	137	92
Earnings (loss) before income taxes	15	(6)	289	234
Income tax expense (benefit)	6	(2)	106	85
Net income (loss)	$ 9	$ (4)	$ 183	$ 149