Consolidated Statements Of Operations (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 3,586	$ 3,331	$ 7,096	$ 6,862
Expenses:
Operating	2,030	2,077	4,306	4,641
Selling, general and administrative	683	673	1,341	1,289
Restructuring charges	0	2	0	59
Depreciation and amortization	139	144	278	285
Total expenses	2,852	2,896	5,925	6,274
Operating income	734	435	1,171	588
Interest expense	(110)	(134)	(220)	(272)
Interest income	1	2	3	3
Loss on early extinguishment of debt	0	(41)	0	(38)
Other items, net	5	(14)	14	(27)
Earnings (loss) before income taxes and equity in earnings (loss) of investee companies	630	248	968	254
(Provision) benefit for income taxes	(230)	(91)	(352)	(112)
Equity in loss of investee companies, net of tax	(5)	(7)	(19)	(18)
Net earnings	$ 395	$ 150	$ 597	$ 124
Basic net earnings per common share (in dollars per share)	$ 0.59	$ 0.22	$ 0.89	$ 0.18
Diluted net earnings per common share (in dollars per share)	$ 0.58	$ 0.22	$ 0.87	$ 0.18
Basic weighted average number of common shares outstanding	669	679	671	678
Diluted weighted average number of common shares outstanding	686	693	689	693
Dividends per common share (in dollars per share)	$ 0.10	$ 0.05	$ 0.15	$ 0.10