Operating Segments and Geographic Region (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 segments	Dec. 31, 2012	Dec. 31, 2011
Operating Segments and Geographic Region
Number of operating segments									3
Segment Reporting Information [Line Items]
Consolidated net revenues	$ 1,518,000,000	$ 691,000,000	$ 1,050,000,000	$ 1,324,000,000	$ 1,768,000,000	$ 841,000,000	$ 1,075,000,000	$ 1,172,000,000	$ 4,583,000,000	$ 4,856,000,000	$ 4,755,000,000
Income from operations	284,000,000	70,000,000	430,000,000	587,000,000	484,000,000	227,000,000	227,000,000	513,000,000	1,372,000,000	1,451,000,000	1,328,000,000
Net effect from changes in the deferral of net revenues									241,000,000	(131,000,000)	266,000,000
Stock-based compensation expense									(110,000,000)	(126,000,000)	(103,000,000)
Restructuring									0	0	(25,000,000)
Amortization of intangible assets									(24,000,000)	(30,000,000)	(72,000,000)
Interest and other investment income (expense), net									(53,000,000)	7,000,000	3,000,000
Income before income tax expense									1,319,000,000	1,458,000,000	1,331,000,000
Restructuring expense in general and administrative expense related to the business combination											1,000,000
Long-lived assets	138,000,000				141,000,000				138,000,000	141,000,000
US
Segment Reporting Information [Line Items]
Revenues as a percentage of consolidated net revenues	51.00%				48.00%				51.00%	48.00%	49.00%
UK
Segment Reporting Information [Line Items]
Revenues as a percentage of consolidated net revenues	14.00%				14.00%				14.00%	14.00%	16.00%
France
Segment Reporting Information [Line Items]
Revenues as a percentage of consolidated net revenues	12.00%				13.00%				12.00%	13.00%	14.00%
Activision
Segment Reporting Information [Line Items]
Restructuring									0	0	(25,000,000)
Distribution
Segment Reporting Information [Line Items]
Impairment of goodwill											(12,000,000)
Operating segments
Segment Reporting Information [Line Items]
Consolidated net revenues									4,342,000,000	4,987,000,000	4,489,000,000
Income from operations									1,355,000,000	1,698,000,000	1,358,000,000
Long-lived assets	138,000,000				141,000,000				138,000,000	141,000,000	163,000,000
Operating segments | Total platform
Segment Reporting Information [Line Items]
Consolidated net revenues									4,260,000,000	4,550,000,000	4,337,000,000
Operating segments | Console
Segment Reporting Information [Line Items]
Consolidated net revenues									2,379,000,000	2,186,000,000	2,439,000,000
Operating segments | PC
Segment Reporting Information [Line Items]
Consolidated net revenues									340,000,000	675,000,000	282,000,000
Operating segments | Online subscriptions
Segment Reporting Information [Line Items]
Consolidated net revenues									912,000,000	986,000,000	1,357,000,000
Operating segments | Other
Segment Reporting Information [Line Items]
Consolidated net revenues									629,000,000	703,000,000	259,000,000
Operating segments | North America
Segment Reporting Information [Line Items]
Consolidated net revenues									2,414,000,000	2,436,000,000	2,405,000,000
Long-lived assets	102,000,000				90,000,000				102,000,000	90,000,000	105,000,000
Operating segments | Europe
Segment Reporting Information [Line Items]
Consolidated net revenues									1,826,000,000	1,968,000,000	1,990,000,000
Long-lived assets	29,000,000				40,000,000				29,000,000	40,000,000	46,000,000
Operating segments | Asia Pacific
Segment Reporting Information [Line Items]
Consolidated net revenues									343,000,000	452,000,000	360,000,000
Long-lived assets	7,000,000				11,000,000				7,000,000	11,000,000	12,000,000
Operating segments | Activision
Segment Reporting Information [Line Items]
Consolidated net revenues									2,895,000,000	3,072,000,000	2,828,000,000
Income from operations									971,000,000	970,000,000	851,000,000
Operating segments | Blizzard
Segment Reporting Information [Line Items]
Consolidated net revenues									1,124,000,000	1,609,000,000	1,243,000,000
Income from operations									376,000,000	717,000,000	496,000,000
Operating segments | Distribution
Segment Reporting Information [Line Items]
Consolidated net revenues									323,000,000	306,000,000	418,000,000
Income from operations									8,000,000	11,000,000	11,000,000
Reconciliation items
Segment Reporting Information [Line Items]
Net effect from changes in the deferral of net revenues and related cost of sales									229,000,000	(91,000,000)	183,000,000
Stock-based compensation expense									(110,000,000)	(126,000,000)	(103,000,000)
Restructuring									0	0	(26,000,000)
Amortization of intangible assets									(23,000,000)	(30,000,000)	(72,000,000)
Fees and other expenses related to the Purchase Transaction and related debt financings									(79,000,000)	0	0
Impairment of goodwill									$ 0	$ 0	$ (12,000,000)