Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Narratives (Details)

v3.22.1
Revenue Recognition - Narratives (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]      
Less: Allowance for credit losses $ (136)   $ (128)
Provisions for doubtful receivables 54 $ 41  
Contract assets 336   304
Deferred revenue 359   314
Deferred revenue, current 10   27
Deferred revenue, noncurrent $ 26   $ 25