Special Charges (Credits) (Tables)

6 Months Ended

Jun. 30, 2022

Other Income and Expenses [Abstract]

Components of Special Charges

For the three and six months ended June 30, operating and nonoperating special charges (credits) and unrealized (gains) losses on investments in the statements of consolidated operations consisted of the following (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
CARES Act grant	$	—	$	(1,079)	$	—	$	(2,889)
Severance and benefit costs	—		11		—		428
Impairment of assets	—		59		—		59
(Gains) losses on sale of assets and other special charges	112		61		104		77
Total operating special charges (credits)	112		(948)		104		(2,325)
Nonoperating unrealized (gains) losses on investments, net	40		(147)		40		(125)
Nonoperating debt extinguishment and modification fees	—		62		7		62
Nonoperating special termination benefits	—		—		—		46
Total nonoperating special charges and unrealized (gains) losses on investments, net	40		(85)		47		(17)
Total operating and nonoperating special charges (credits) and unrealized (gains) losses on investments, net	152		(1,033)		151		(2,342)
Income tax (benefit) expense, net of valuation allowance	(10)		203		(10)		494
Total operating and nonoperating special charges (credits) and unrealized (gains) losses on investments, net of income taxes	$	142	$	(830)	$	141	$	(1,848)