Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Net periodic benefit costs

The components of net periodic benefit costs, reported in other expenses, were as follows:

	Three Months Ended June 30,
	2021				2020
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
	(In millions)
Service costs	$	56	$	1	$	61	$	1
Interest costs	83		10		89		11
Curtailment (gains) losses (1)	(17)		—		—		—
Expected return on plan assets	(125)		(14)		(132)		(16)
Amortization of net actuarial (gains) losses	39		(7)		44		(18)
Amortization of prior service costs (credit)	(1)		—		(4)		—
Net periodic benefit costs (credit)	$	35	$	(10)	$	58	$	(22)
	Six Months Ended June 30,
	2021				2020
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
	(In millions)
Service costs	$	119	$	2	$	123	$	2
Interest costs	161		18		178		21
Curtailment (gains) losses (1)	(17)		—		—		—
Expected return on plan assets	(257)		(28)		(264)		(31)
Amortization of net actuarial (gains) losses	77		(27)		89		(37)
Amortization of prior service costs (credit)	(5)		—		(8)		(1)
Net periodic benefit costs (credit)	$	78	$	(35)	$	118	$	(46)

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(1)See Note 3 for information on the Company’s business dispositions.