Income Taxes (Tables)

6 Months Ended

Jun. 30, 2020

Income Tax Disclosure [Abstract]

Summary of the Provision for Income Taxes

The following table summarizes our Provision for income taxes (in millions, except percentages):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Income (loss) before provision for income taxes	$	(2,973)		$	2,410		$	(970)		$	4,760
Provision for income taxes	$	373		$	535		$	838		$	917
Effective tax rate	(12.5)		%	22.2		%	(86.4)		%	19.3		%