Income Taxes​ (Tables)

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Schedule of Income Tax Provisions

	Third quarter ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Pretax ordinary income (loss) at estimated annual effective tax rate	$	5	$	2	$	(75)	$	(5)
Impact of change in estimated annual effective tax rate on previous quarter’s pretax income	7		51		—		—
Interim period treatment of operational losses in foreign jurisdictions for which no tax benefit is recognized*	—		(48)		(2)		1
Discrete items	(1)		5		(4)		9
Provision (Benefit) for income taxes	$	11	$	10	$	(81)	$	5

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*    The interim period impact related to operational losses in foreign jurisdictions for which no tax benefit is recognized will reverse by the end of the calendar year.