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Pension (Tables)
6 Months Ended
Aug. 01, 2020
Pension [Abstract]  
Net Benefit Expense (Income)

Thirteen weeks ended

Twenty-six weeks ended

August 1,

August 3,

August 1,

August 3,

($ in millions)

2020

2019

2020

2019

Service cost

$

3

$

5

$

7

$

10

Interest cost

6

 

6

11

13

Expected return on plan assets

(10)

 

(9)

(19)

(18)

Amortization of net loss

3

 

3

6

6

Net benefit expense

$

2

$

5

$

5

$

11