Recent Accounting Standards and Accounting Policies (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Dec. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other long-term liabilities	$ 2,506	$ 2,646
Lessor, Operating Lease, Renewal Term	39 years
Weighted average remaining lease term	4 years 9 months 18 days
Weighted average discount rate	3.40%
Lease expense	$ 141
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Remainder of 2019	44
2020	178
2021	125
2022	96
2023	71
2024 and Thereafter	108
Total	622
Present value of lease payments	$ 573
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Lease expense		231	$ 264
2019		229
2020		181
2021		133
2022		101
2023		70
2024 and Thereafter		121
Total		$ 835
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining lease term	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining lease term	9 years
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid land use rights				$ 81
Accrued liabilities				180
Other long-term liabilities				445
Other Noncurrent Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leased assets	$ 652
Other Noncurrent Assets [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leased assets				$ 706
Accrued Liabilities [Member]
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Present value of lease payments	174
Other Long-Term Liabilities [Member]
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Present value of lease payments	$ 399