ACCUMULATED OTHER COMPREHENSIVE LOSS

12 Months Ended

Dec. 31, 2022

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

ACCUMULATED OTHER COMPREHENSIVE LOSS

ACCUMULATED OTHER COMPREHENSIVE LOSS

Components of accumulated other comprehensive loss
(in millions)	Pension and Other Benefits Liabilities(2)		Other		Tax Effect		Total
Balance at January 1, 2020	$	(9,563)	$	25	$	1,549	$	(7,989)
Changes in value	(1,652)		16		384		(1,252)
Reclassifications into earnings(1)	372		—		(169)		203
Balance at December 31, 2020	(10,843)		41		1,764		(9,038)
Changes in value	2,077		—		(484)		1,593
Reclassifications into earnings(1)	411		—		(96)		315
Balance at December 31, 2021	(8,355)		41		1,184		(7,130)
Changes in value	1,419		—		(330)		1,089
Reclassifications into earnings(1)	312		—		(72)		240
Balance at December 31, 2022	$	(6,624)	$	41	$	782	$	(5,801)

(1)Amounts reclassified from AOCI for pension and other benefits liabilities are recorded in pension and related benefit in non-operating expense in the income statement.

(2)Includes approximately $755 million of deferred income tax expense as a result of tax law changes and prior valuation allowance releases through continuing operations, that will not be recognized in net income until pension and other benefit obligations are fully extinguished.