Special Charges (Tables)

6 Months Ended

Jun. 30, 2023

Other Income and Expenses [Abstract]

Schedule of Components of Special Charges

For the three and six months ended June 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 June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Labor contract ratification bonuses	$	813	$	—	$	813	$	—
(Gains) losses on sale of assets and other special charges	46		112		60		104
Total operating special charges	859		112		873		104
Nonoperating unrealized (gains) losses on investments, net	(84)		40		(108)		40
Nonoperating debt extinguishment and modification fees	11		—		11		7
Total nonoperating special charges and unrealized (gains) losses on investments, net	(73)		40		(97)		47
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net	786		152		776		151
Income tax benefit, net of valuation allowance	(194)		(10)		(197)		(10)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net of income taxes	$	592	$	142	$	579	$	141