Leases - Summary of Future Lease Payments (Details) $ in Millions	May 04, 2019 USD ($)
Leases [Abstract]
May 2019 - April 2020, Operating Leases	$ 301
May 2020 - April 2021, Operating Leases	307
May 2021 - April 2022, Operating Leases	298
May 2022 - April 2023, Operating Leases	283
May 2023 - April 2024, Operating Leases	264
May 2024 and after, Operating Leases	3,525
Total lease payments, Operating Leases	4,978
Amount representing interest, Operating Leases	(2,140)
Lease liabilities, Operating Leases	2,838
May 2019 - April 2020, Finance Leases	157
May 2020 - April 2021, Finance Leases	155
May 2021 - April 2022, Finance Leases	133
May 2022 - April 2023, Finance Leases	117
May 2023 - April 2024, Finance Leases	104
May 2024 and after, Finance Leases	1,608
Total lease payments, Finance Leases	2,274
Amount representing interest, Finance Leases	(1,483)
Lease liabilities, Finance Leases	791
May 2019 - April 2020	458
May 2020 - April 2021	462
May 2021 - April 2022	431
May 2022 - April 2023	400
May 2023 - April 2024	368
May 2024 and after	5,133
Total lease payments	7,252
Amount representing interest	(3,623)
Lease liabilities	$ 3,629

Operating and finance lease liability.

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Operating and finance lease liability payments due.

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Operating and finance lease liability payments due in next rolling twelve months.

+ References

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- Definition

Operating and finance lease liability payments due in rolling after year five.

+ References

No definition available.

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Operating and finance lease liability payments due in rolling year five.

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No definition available.

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- Definition

Operating and finance lease liability payments due in rolling year four.

+ References

No definition available.

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- Definition

Operating and finance lease liability payments due in rolling year three.

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No definition available.

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Operating and finance lease liability payments due in rolling year two.

+ References

No definition available.

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- Definition

Operating and finance lease liability undiscounted excess amount.

+ References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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- References

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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