Accounting Policies and Supplemental Disclosures - Use of Estimates (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jan. 01, 2025	Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]
Increase in depreciation and amortization	$ 15,227	$ 12,038	$ 29,489	$ 23,722	$ 58,562	$ 49,673
Reduction in net income	$ (18,164)	$ (13,485)	$ (35,291)	$ (23,916)	$ (70,623)	$ (44,419)
Reduction in basic earnings per share (in usd per share)	$ (1.71)	$ (1.29)	$ (3.32)	$ (2.30)
Reduction in diluted earnings per share (in usd per share)	$ (1.68)	$ (1.26)	$ (3.27)	$ (2.24)
Service Life
Restructuring Cost and Reserve [Line Items]
Increase in depreciation and amortization	$ 280		$ 497
Reduction in net income	$ 217		$ 379
Reduction in basic earnings per share (in usd per share)	$ 0.02		$ 0.04
Reduction in diluted earnings per share (in usd per share)	$ 0.02		$ 0.04
Servers
Restructuring Cost and Reserve [Line Items]
Estimated useful lives of assets								6 years
Servers | Service Life
Restructuring Cost and Reserve [Line Items]
Estimated useful lives of assets							5 years
Networking equipment
Restructuring Cost and Reserve [Line Items]
Estimated useful lives of assets								6 years
Networking equipment | Service Life
Restructuring Cost and Reserve [Line Items]
Estimated useful lives of assets							5 years