Supplemental Disclosures to Consolidated Statements of Cash Flows

12 Months Ended

Dec. 31, 2012

Supplemental Disclosures to Consolidated Statements of Cash Flow [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

Supplemental Disclosures to Consolidated Statements of Cash Flows

	Years ended December 31,
	2012			2011		2010
	amounts in millions
Cash paid for acquisitions:
Fair value of assets acquired	$	362		3		6
Intangibles not subject to amortization	5,494			10		23
Intangibles subject to amortization	1,235			3		10
Net liabilities assumed	(587		)	(3	)	(1	)
Deferred tax assets (liabilities)	(1,199		)	1		(5	)
Other	12			—		—
Fair value of previously held ownership interest	(1,004		)	—		—
Noncontrolling interest	(4,341		)	—		—
Cash paid for acquisitions, net of cash (acquired)	$	(28	)	14		33
Available-for-sale securities exchanged for consolidated subsidiaries	$	—		—		368
Cash paid for interest	$	411		426		529
Cash paid for income taxes	$	151		370		301