Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Compensation And Retirement Disclosure [Abstract]

The components of net periodic benefit cost were as follows:

	Third quarter ended September 30,						Nine months ended September 30,
Pension benefits	2021			2020			2021			2020
Service cost	$	6		$	14		$	16		$	41
Interest cost⁽¹⁾		30			41			88			124
Expected return on plan assets⁽¹⁾		(71	)		(73	)		(217	)		(220	)
Recognized net actuarial loss⁽¹⁾		48			54			149			158
Settlements⁽²⁾		8			5			47			5
Curtailments⁽²⁾		—			—			—			4
Net periodic benefit cost	$	21		$	41		$	83		$	112

	Third quarter ended September 30,						Nine months ended September 30,
Other postretirement benefits	2021			2020			2021			2020
Service cost	$	—		$	1		$	3		$	3
Interest cost⁽¹⁾		4			5			12			15
Recognized net actuarial loss⁽¹⁾		5			5			16			14
Amortization of prior service benefit⁽¹⁾		(3	)		(4	)		(11	)		(11	)
Settlements⁽²⁾		—			—			26			—
Curtailments⁽²⁾		—			—			(17	)		(2	)
Net periodic benefit cost	$	6		$	7		$	29		$	19

⁽¹⁾	These amounts were reported in Other (income) expenses, 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 prior plan remeasurement date	Plan remeasurement date	Weighted average discount rate as of plan remeasurement date	Increase (decrease) to accrued pension benefits liability			Decrease to accrued other postretirement benefits liability			Curtailment gain⁽¹⁾			Settlement charge⁽¹⁾
1	~840	2.45%	March 31, 2021	3.06%	$	—		$	(106	)	$	(17	)	$	26
2	~120	2.38%	June 30, 2021	2.71%	$	(90	)	$	—		$	—		$	39
3	~20	2.71%	September 30, 2021	2.74%	$	7		$	—		$	—		$	7
4	~20	1.34%	September 30, 2021	1.53%	$	(38	)	$	—		$	—		$	1

⁽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.