Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Additional Information (Details)

v3.22.0.1
Benefit Plans - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment expense $ 202 $ 223 $ 250
Share-based payment expense $ 202 $ 223 250
Acquisition and Restructuring Costs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment expense     $ 21
Employees and Non Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value of options ( in USD per share) $ 1.77 $ 1.46 $ 1.26
Options exercised in period, intrinsic value $ 170 $ 94 $ 146
Exercise of stock options and vesting of restricted stock units (in shares) 22 8 15
Share-based payment expense $ 42 $ 45 $ 60
Restricted Stock Units (RSUs) and Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment expense 160 178 190
Restricted stock units vested, intrinsic value $ 166 $ 196 $ 235
Granted (in shares) 40 37 38
Restricted Stock Units (RSUs) and Performance Shares | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock units granted (in shares) 1 1 1
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise of stock options and vesting of restricted stock units (in shares) 16 20 23
Performance-based Share Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 7 4 6
Restricted Stock Units Rsu And Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation costs $ 455 $ 385  
Weighted-average service period (in years) 2 years 6 months