Retirement Benefit Plans (Tables)

3 Months Ended

May 02, 2020

Retirement Benefit Plans [Abstract]

Schedule of Pension Plan Expense/(Income)

The components of net periodic pension expense/(income) for our non-contributory qualified defined benefit pension plan and supplemental pension plans were as follows:

	Three Months Ended
($ in millions)	May 2, 2020		May 4, 2019
Service cost	$	8	$	7
Other components of net periodic pension cost/(income):
Interest cost	26		33
Expected return on plan assets	(50)		(48)
Amortization of prior service cost/(credit)	1		2
	(23)		(13)
Net periodic pension expense/(income)	$	(15)	$	(6)