Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost were as follows:

	Pension benefits						Other postretirement benefits
First quarter ended March 31,	2021			2020			2021			2020
Service cost	$	5		$	14		$	2		$	1
Interest cost(1)		29			42			4			5
Expected return on plan assets(1)		(73	)		(74	)		—			—
Recognized net actuarial loss(1)		51			51			6			4
Amortization of prior service cost(1)		—			—			(4	)		(3	)
Settlements(2)		—			—			26			—
Curtailments(2)		—			3			(17	)		—
Net periodic benefit cost	$	12		$	36		$	17		$	7

⁽¹⁾ These amounts were reported in Other income, net on the accompanying Statement of Consolidated Operations (see Note Q).

⁽²⁾ These amounts were reported in Restructuring and other charges, net on the accompanying Statements of Consolidated Operations (see Note D) and of Cash Flows.

Summary of Information in Curtailment or Settlement of Benefits Requiring Remeasurement, Update to Discount Rates Used to Determine Benefit Obligations of Affected Plans

The following table presents certain information and the financial impacts of this action on the accompanying Consolidated Financial Statements:

Action #	Number of affected plan participants	Weighted average discount rate as of December 31, 2020	Plan remeasurement date	Weighted average discount rate as of plan remeasurement date	Decrease to accrued other postretirement benefits liability			Curtailment gain(1)			Settlement charge(1)
1	~840	2.45%	March 31, 2021	3.06%	$	(112	)	$	(17	)	$	26

⁽¹⁾ These amounts represent the accelerated amortization of a portion of the existing prior service benefit for curtailments and net actuarial loss for settlements and were reclassified from Accumulated other comprehensive loss to Restructuring and other charges, net (see Note D) on the accompanying Statement of Consolidated Operations.