Special Charges (Credit) (Tables)

9 Months Ended

Sep. 30, 2020

Other Income and Expenses [Abstract]

Components of Special Charges

For the three and nine months ended September 30, special charges (credit), special termination benefits and pension settlement losses, unrealized gains and losses on investments and certain credit losses in the statements of consolidated operations consisted of the following (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
CARES Act grant	$	(1,494)	$	—	$	(3,083)	$	—
Severance and benefit costs	350		2		413		14
Impairment of assets	38		—		168		69
(Gains) losses on sale of assets and other special charges	25		25		35		33
Total operating special charges (credit)	(1,081)		27		(2,467)		116
Nonoperating special termination benefits and settlement losses	415		—		646		—
Nonoperating unrealized (gains) losses on investments	(15)		(21)		295		(72)
Nonoperating credit loss on BRW Term Loan and related guarantee	—		—		697		—
Total nonoperating special charges and unrealized (gains) losses on investments	400		(21)		1,638		(72)
Total operating and nonoperating special charges (credit) and unrealized (gains) losses on investments	(681)		6		(829)		44
Income tax expense (benefit), net of valuation allowance	148		(2)		375		(10)
Total operating and nonoperating special charges (credit) and unrealized (gains) losses on investments, net of income taxes	$	(533)	$	4	$	(454)	$	34