Revenue - Schedule of Internal Risk Ratings for Contract Assets (Details) $ in Millions	Oct. 24, 2020 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	$ 1,298
1 to 4
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	442
5 to 6
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	737
7 and Higher
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	$ 119

Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044

Name:	us-gaap_ContractWithCustomerAssetGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant