Accounting Policies and Supplemental Disclosures - Use of Estimates (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 01, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Property, Plant and Equipment [Line Items]
Depreciation and amortization		$ 10,204	$ 8,948	$ 28,776	$ 24,494	$ 38,578		$ 32,112
Net income (loss)		$ 2,872	$ 3,156	$ (3,000)	$ 19,041	$ 11,323		$ 26,263
Basic earnings (loss) per share (in usd per share)		$ 0.28	$ 0.31	$ (0.29)	$ 1.88
Diluted earnings (loss) per share (in usd per share)		$ 0.28	$ 0.31	$ (0.29)	$ 1.85
Change in useful lives of servers and networking equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization		$ (882)		$ (2,800)
Net income (loss)		$ 665		$ 2,200
Basic earnings (loss) per share (in usd per share)		$ 0.07		$ 0.21
Diluted earnings (loss) per share (in usd per share)		$ 0.06		$ 0.21
Servers
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets							4 years
Servers | Change in useful lives of servers and networking equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Networking equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets							5 years
Networking equipment | Change in useful lives of servers and networking equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	6 years