v3.21.2
Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jan. 01, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Change in Accounting Estimate [Line Items]            
Allowance for credit losses on accounts receivable   $ 579   $ 579   $ 789
Net income   $ 18,525 $ 6,959 $ 36,455 $ 13,795  
Basic net income per share (in dollars per share)   $ 27.69 $ 10.21 $ 54.32 $ 20.16  
Diluted net income per share (in dollars per share)   $ 27.26 $ 10.13 $ 53.54 $ 20.00  
Server Equipment            
Change in Accounting Estimate [Line Items]            
Useful life 4 years         3 years
Network Equipment            
Change in Accounting Estimate [Line Items]            
Useful life 5 years         3 years
Service Life            
Change in Accounting Estimate [Line Items]            
Reduction in depreciation expense   $ 721   $ 1,600    
Net income   $ 561   $ 1,200    
Basic net income per share (in dollars per share)   $ 0.84   $ 1.81    
Diluted net income per share (in dollars per share)   $ 0.83   $ 1.78