Annual report pursuant to Section 13 and 15(d)

INCOME TAXES Income Taxes (Schedule of Valuation Allowance) (Details)

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INCOME TAXES Income Taxes (Schedule of Valuation Allowance) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Valuation Allowance [Line Items]      
Balance at beginning of year $ 836 $ 441 $ 1,287
Balance at end of year 409 836 441
Included in income tax expense (benefit)      
Valuation Allowance [Line Items]      
Change in valuation allowance (82) (3) (846)
Increase (decrease) from acquisitions      
Valuation Allowance [Line Items]      
Change in valuation allowance $ (345) $ 398 $ 0