Commitments and Contingencies - Future Minimum Commitments (Details) $ in Millions	Dec. 31, 2016 USD ($)
Long-term Purchase Commitment [Line Items]
Total
Unrecognized tax benefits, net of tax credits	587
Total Contractual Obligations
Long-term Purchase Commitment [Line Items]
2017	459
2018	379
2019	300
2020	437
2021	3,133
Thereafter	1,907
Total	6,615
Facility and equipment leases
Long-term Purchase Commitment [Line Items]
2017	65
2018	59
2019	52
2020	44
2021	32
Thereafter	92
Total	344
Developer and Intellectual Properties
Long-term Purchase Commitment [Line Items]
2017	196
2018	160
2019	1
2020	0
2021	0
Thereafter	0
Total	357
Marketing
Long-term Purchase Commitment [Line Items]
2017	53
2018	15
2019	0
2020	0
2021	0
Thereafter	0
Total	68
Long-term debt obligations
Long-term Purchase Commitment [Line Items]
2017	145
2018	145
2019	247
2020	393
2021	3,101
Thereafter	1,815
Total	$ 5,846