ACCUMULATED OTHER COMPREHENSIVE LOSS

6 Months Ended

Jun. 30, 2023

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 Benefit Liabilities		Other		Tax Effect		Total
Balance at January 1, 2023	$	(6,624)	$	41	$	782	$	(5,801)
Changes in value	—		(3)		1		(2)
Reclassifications into earnings(1)	122		—		(28)		94
Balance at June 30, 2023	$	(6,502)	$	38	$	755	$	(5,709)

Balance at January 1, 2022	$	(8,355)	$	41	$	1,184	$	(7,130)
Reclassifications into earnings(1)	159		—		(37)		122
Balance at June 30, 2022	$	(8,196)	$	41	$	1,147	$	(7,008)

(1)Amounts reclassified from accumulated other comprehensive loss for pension and other benefit liabilities are recorded in pension and related (expense)/benefit in non-operating expense in our income statement.