BENEFIT PLANS - Net Periodic Benefit Cost (Income) Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Jan. 29, 2022	Jan. 30, 2021
Pension Benefits
Net Periodic Benefit (Income) Cost
Interest cost	$ 9	$ 9	$ 19	$ 18
Expected return on plan assets	(20)	(26)	(41)	(52)
Amortization of prior service cost (credit)	0	0	0	0
Amortization of net actuarial loss (gain)	0	1	0	1
Net periodic benefit (income) cost	(11)	(16)	(22)	(33)
Contributions to benefit plans	0	(1)	0	(1)
Other Postretirement Benefits
Net Periodic Benefit (Income) Cost
Interest cost	0	1	0	1
Expected return on plan assets	0	0	0	0
Amortization of prior service cost (credit)	1	(1)	2	(1)
Amortization of net actuarial loss (gain)	0	(1)	0	(1)
Net periodic benefit (income) cost	1	(1)	2	(1)
Contributions to benefit plans	$ (1)	$ (1)	$ (2)	$ (2)