XML 96 R79.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income Taxes - Accounting for Uncertainty in Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Unrecognized Tax Benefits, Beginning Balance $ 35 $ 33 $ 34
Addition based on tax positions related to the current year   1 2
Increase for tax positions of prior years   6  
Decrease for tax positions of prior years (1) (2)  
Decrease for statute of limitation expiration (1) (3) (3)
Unrecognized Tax Benefits, Ending Balance $ 33 $ 35 $ 33