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BENEFIT PLANS - Net Periodic Benefit Cost (Income) Recognized in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Apr. 30, 2022
May 01, 2021
Apr. 30, 2022
May 01, 2021
Pension Benefits        
Net Periodic Benefit (Income) Cost        
Interest cost $ 10 $ 10 $ 29 $ 28
Expected return on plan assets (20) (26) (61) (78)
Amortization of prior service cost (credit)     0 0
Amortization of net actuarial loss (gain) 0 0 0 1
Net periodic benefit income (10) (16) (32) (49)
Contributions to benefit plans (1) 0 (1) (1)
Other Postretirement Benefits        
Net Periodic Benefit (Income) Cost        
Interest cost 0   0 0
Interest cost   (1)    
Expected return on plan assets 0 0 0 0
Amortization of prior service cost (credit)     2 (1)
Amortization of net actuarial loss (gain) 0 0 0 (1)
Net periodic benefit income 0 (1) 2 (2)
Contributions to benefit plans $ 0 $ (1) $ (2) $ (3)