Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Costs

The following summarizes the components of net periodic benefit costs:

	Three Months Ended June 30, 2019
	Pension Benefits						Other Benefits
(In millions)	2019			2018			2019			2018
Components of net periodic benefit cost:
Service cost	$	60		$	35		$	8		$	8
Interest cost	27			18			10			8
Expected return on plan assets	(31		)	(24		)	—			—
Amortization – prior service credit	(12		)	(8		)	—			(1		)
– actuarial loss	7			8			(1		)	—
– settlement loss	2			1			—			—
Net periodic benefit cost	$	53		$	30		$	17		$	15

	Six Months Ended June 30,
	Pension Benefits						Other Benefits
(In millions)	2019			2018			2019			2018
Components of net periodic benefit cost:
Service cost	$	118		$	71		$	16		$	15
Interest cost	55			36			19			15
Expected return on plan assets	(63		)	(50		)	—			—
Amortization – prior service credit	(23		)	(16		)	—			(2		)
– actuarial loss	11			17			(1		)	—
– settlement loss	2			2			—			—
Net periodic benefit cost	$	100		$	60		$	34		$	28