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NET INCOME (LOSS) PER SHARE
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
NET INCOME (LOSS) PER SHARE NET INCOME (LOSS) PER SHARE
The following table sets forth the computation of basic and diluted net income (loss) per share (in millions except per share amounts). An immaterial number of shares related to the Company's restricted stock units, stock warrants, and convertible notes were excluded from the denominator for fiscal year ended December 31, 2020, because inclusion of such shares would be antidilutive.

Year ended December 31,
 202020192018
NUMERATOR:  
Net income (loss)$(3,074)$2,300 $2,465 
DENOMINATOR:  
Weighted-average shares outstanding, basic565 538 573 
Dilutive effect of restricted stock units— 
Adjusted weighted-average shares outstanding, diluted565 539 574 
NET INCOME (LOSS) PER SHARE:  
Basic$(5.44)$4.28 $4.30 
Diluted$(5.44)$4.27 $4.29