Annual report pursuant to Section 13 and 15(d)

Financial Instruments (Details) (Cash, Cash Equivalents and Marketable Securities)

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Financial Instruments (Details) (Cash, Cash Equivalents and Marketable Securities) - USD ($)
$ in Millions
Dec. 29, 2018
Dec. 30, 2017
Schedule of Investments [Line Items]    
Total Fair Value $ 1,156 $ 1,185
Cash and Cash Equivalents 1,078 1,185
Marketable securities [1] 78 0
Level 1    
Schedule of Investments [Line Items]    
Total Fair Value 275 395
Cash and Cash Equivalents 275 395
Marketable securities 0 0
Level 2    
Schedule of Investments [Line Items]    
Total Fair Value 566 682
Cash and Cash Equivalents 488 682
Marketable securities 78 0
Cash    
Schedule of Investments [Line Items]    
Total Fair Value 315 108
Cash and Cash Equivalents 315 108
Marketable securities 0 0
Government money Market Funds | Level 1    
Schedule of Investments [Line Items]    
Total Fair Value 275 395
Cash and Cash Equivalents 275 395
Marketable securities 0 0
Commercial Paper | Level 2    
Schedule of Investments [Line Items]    
Total Fair Value 566 682
Cash and Cash Equivalents 488 682
Marketable securities $ 78 $ 0
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 2.