Supplemental Financial Information (Net Cash Provided by Operating Activities)(Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net income	$ 1,744	$ 1,633	$ 3,389	$ 3,080
Depreciation and amortization	1,990	1,925	3,957	3,855
Amortization of film and television costs			4,080	4,156
Share-based compensation			213	189
Noncash interest expense (income), net			81	105
Equity in net (income) losses of investees, net	(23)	(29)	(34)	(32)
Cash received from investees			72	142
Net (gain) loss on investment activity and other			(91)	(27)
Deferred income taxes			87	41
Change in current and noncurrent receivables, net			58	(16)
Change in film and television costs			(3,330)	(4,177)
Change in accounts payable and accrued expenses related to trade creditors			(87)	111
Change in other operating assets and liabilities			(710)	388
Net cash provided by (used in) operating activities			$ 7,685	$ 7,815