Supplemental Disclosures to Consolidated Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Disclosures to Consolidated Statements of Cash Flow [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Years ended December 31,
	2015		2014	2013
	amounts in millions
Cash paid for acquisitions:
Fair value of assets acquired	$	154	—	7
Intangibles not subject to amortization		1,791	—	12
Intangibles subject to amortization		837	—	2
Net liabilities assumed		(214)	—	(7)
Deferred tax assets (liabilities)		(637)	—	10
Fair value of equity consideration		(1,087)	—	—
Cash paid for acquisitions, net of cash acquired	$	844	—	24
Cash paid for interest	$	374	362	362
Cash paid for income taxes	$	318	44	410