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INCOME TAXES (Tables)
9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Summary of the Provision for Income Taxes
The following table summarizes our income tax expense:
Three Months EndedNine Months Ended
September 30,September 30,
(in millions, except percentages)2021202020212020
Income (loss) before income taxes$3,438 $825 $7,519 $(145)
Income tax expense$(852)$(472)$(1,694)$(1,310)
Effective tax rate24.8 %57.2 %22.5 %(903.4)%