Commitments and Contingencies (Details) - USD ($) $ in Millions	Jan. 31, 2021	Nov. 01, 2020
Commitments and Contingencies Disclosure [Abstract]
Debt principal, interest and fees, Due in 2021 (remainder)	$ 1,439
Debt principal, interest and fees, Due in 2022	2,506
Debt principal, interest and fees, Due in 2023	1,977
Debt principal, interest and fees, Due in 2024	4,053
Debt principal, interest and fees, Due in 2025	4,655
Debt principal, interest and fees, Thereafter	42,259
Long Term Debt, Interest, Fees and Repayment of Principal	56,889
Purchase commitments
Purchase commitments, Due in 2021 (remainder)	883
Purchase commitments, Due in 2022	76
Purchase commitments, Due in 2023	19
Purchase commitments, Due in 2024	0
Purchase commitments, Due in 2025	0
Purchase commitments, Thereafter	0
Purchase commitments, Total	978
Other contractual commitments
Other contractual commitments, Due in 2021 (remainder)	173
Other contractual commitments, Due in 2022	227
Other contractual commitments, Due in 2023	216
Other contractual commitments, Due in 2024	157
Other contractual commitments, Due in 2025	63
Other contractual commitments, Thereafter	239
Other contractual commitments, Total	1,075
Unrecognized tax benefits and accrued interest	3,210	$ 3,185
Standby letters of credit	$ 62	$ 65

Long-term Debt, Interest, Fees And Repayment of Principal, After Year Four

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal, Remainder of Fiscal Year

+ References

No definition available.

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal, Year Four

+ References

No definition available.

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal, Year One

+ References

No definition available.

+ Details

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal, Year Three

+ References

No definition available.

+ Details

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal, Year Two

+ References

No definition available.

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- Definition

Long Term Debt, Interest, Fees and Repayment of Principal

+ References

No definition available.

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- Definition

Other Commitment, to be Paid, after Year Four

+ References

No definition available.

+ Details

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- Definition

Other Commitment, to be Paid, Remainder of Fiscal Year

+ References

No definition available.

+ Details

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- Definition

Unrecognized tax benefits including interest and penalties

+ References

No definition available.

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- Definition

Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Four

+ References

No definition available.

+ Details

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- Definition

Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12201-110248

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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- Definition

Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- References

No definition available.

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- References

No definition available.

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

+ Details

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