Investments In Affiliates Accounted For Using The Equity Method (Expedia Consolidated Statement Of Operations) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 2,133	$ 1,968	$ 6,537	$ 6,046
Cost of revenue	(1,364)	(1,254)	(4,139)	(3,832)
Selling, general and administrative expenses	(185)	(167)	(604)	(519)
Operating income (loss)	224	220	725	712
Interest expense	(105)	(166)	(326)	(502)
Other income (expense), net	(9)	5	12	(41)
Income tax expense	(56)	66	(186)	(78)
Net earnings (loss)	(7)	194	661	634
Net earnings (loss) attributable to noncontrolling interests	(12)	(15)	(34)	(29)
Net earnings attributable to Expedia, Inc.	(19)	179	627	605
Expedia [Member]
Revenue			2,987	2,540
Cost of revenue			(586)	(517)
Gross Profit			2,401	2,023
Selling, general and administrative expenses			(1,745)	(1,415)
Amortization			(23)	(25)
Restructuring charges and other			(8)	0
Operating income (loss)			625	583
Interest expense			(95)	(68)
Other income (expense), net			12	(9)
Income tax expense			(138)	(152)
Net earnings (loss)			404	354
Net earnings (loss) attributable to noncontrolling interests			2	4
Net earnings attributable to Expedia, Inc.			$ 402	$ 350