Special Charges (Tables)

9 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Schedule of Components of Special Charges

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Labor contract ratification bonuses	$	1	$	—	$	814	$	—
(Gains) losses on sale of assets and other special charges	28		20		88		124
Total operating special charges	29		20		902		124
Nonoperating unrealized (gains) losses on investments, net	54		(28)		(54)		12
Nonoperating debt extinguishment and modification fees	—		—		11		7
Total nonoperating special charges and unrealized (gains) losses on investments, net	54		(28)		(43)		19
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net	83		(8)		859		143
Income tax benefit, net of valuation allowance	(7)		(7)		(204)		(17)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net of income taxes	$	76	$	(15)	$	655	$	126