Pension Plans and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost Table

The following summarizes the Company’s pension and other postretirement benefit cost:

	Pension Benefits							Other Benefits
millions		2019			2018				2019			2018
Three Months Ended June 30
Service cost		$	22		$	22			$	—		$	1
Interest cost		20			19				3			2
Expected (return) loss on plan assets		(20		)	(20		)		—			—
Amortization of net actuarial loss (gain)		3			6				—			—
Amortization of net prior service cost (credit)		—			—				—			(6		)
Settlement expense		13			—				—			—
Termination benefits expense		2			—				—			—
Net periodic benefit cost (1)		$	40		$	27			$	3		$	(3	)
Six Months Ended June 30
Service cost		$	44		$	45			$	—		$	1
Interest cost		40			38				6			5
Expected (return) loss on plan assets		(41		)	(41		)		—			—
Amortization of net actuarial loss (gain)		7			13				—			—
Amortization of net prior service cost (credit)		—			—				(1		)	(12		)
Settlement expense		17			—				—			—
Termination benefits expense		2			—				—			—
Net periodic benefit cost (1)		$	69		$	55			$	5		$	(6	)

⁽¹⁾ 

The service cost component of net periodic benefit cost is included in G&A; oil and gas operating expense; gathering, processing, and marketing expense; and exploration expense, and all other components of net periodic benefit cost are included in other (income) expense on the Company’s Consolidated Statements of Income.