Commitments and Contingencies (Details 2) $ in Millions	Dec. 31, 2015 USD ($)
Long-term Purchase Commitment [Line Items]
Total
Unrecognized tax benefits, net of tax credits	$ 471
Unrecognized tax benefits included in Other Liabilities	453
Unrecognized tax benefits included in Accrued Expenses and Other Liabilities	18
Total Contractual Obligations
Long-term Purchase Commitment [Line Items]
2016	253
2017	90
2018	45
2019	27
2020	19
Thereafter	37
Total	471
Facility and equipment leases
Long-term Purchase Commitment [Line Items]
2016	35
2017	32
2018	30
2019	27
2020	19
Thereafter	35
Total	178
Developer and Intellectual Properties
Long-term Purchase Commitment [Line Items]
2016	190
2017	5
2018	0
2019	0
2020	0
Thereafter	2
Total	197
Marketing
Long-term Purchase Commitment [Line Items]
2016	28
2017	53
2018	15
2019	0
2020	0
Thereafter	0
Total	$ 96