Employee Benefit Plans (Tables)

9 Months Ended

Sep. 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 September 30,
	2021				2020
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
	(In millions)
Service costs	$	58	$	2	$	62	$	2
Interest costs	89		9		89		10
Expected return on plan assets	(124)		(14)		(132)		(15)
Amortization of net actuarial (gains) losses	38		(6)		45		(19)
Amortization of prior service costs (credit)	(6)		—		(4)		(1)
Net periodic benefit costs (credit)	$	55	$	(9)	$	60	$	(23)
	Nine Months Ended September 30,
	2021				2020
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
	(In millions)
Service costs	$	177	$	4	$	185	$	4
Interest costs	250		27		267		31
Curtailment (gains) losses (1)	(17)		—		—		—
Expected return on plan assets	(381)		(42)		(396)		(46)
Amortization of net actuarial (gains) losses	115		(33)		134		(56)
Amortization of prior service costs (credit)	(11)		—		(12)		(2)
Net periodic benefit costs (credit)	$	133	$	(44)	$	178	$	(69)

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