PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2021

Pension And Other Postretirement Benefit Expense [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost are:

	PENSION
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2021			MARCH 2020
Service cost	$	11		$	10
Interest cost		24			35
Expected return on plan assets		(49	)		(59	)
Amortization of actuarial loss		30			30
Amortization of prior service cost		1			1
Total net periodic benefit cost - pension	$	17		$	17

	OTHER POST-EMPLOYMENT BENEFITS
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2021			MARCH 2020
Interest cost	$	1		$	1
Amortization of actuarial loss		2			1
Amortization of prior service credit		(1	)		—
Total net periodic benefit cost - other post-employment benefits	$	2		$	2