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Debt Outstanding Debt (Details) - USD ($) $ in Millions	3 Months Ended
Debt Outstanding Debt (Details) - USD ($) $ in Millions	Apr. 03, 2021	Mar. 28, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Total Borrowings at Par Value	$ 18,843		$ 21,926
Fair Value Hedge Accounting Adjustments			25
Unamortized Discount	(93)		(102)
Unamortized Debt Issuance Costs	(105)		(114)
Total Borrowings at Carrying Value	18,645		21,735
Less: Short-term Obligations and Current Maturities	4		2,628
Long-term Obligations	18,641		19,107
Losses on Extinguishment of Debt	197	$ 0
Proceeds from Hedge, Financing Activities	22
Senior Notes [Member]
Debt Instrument [Line Items]
Total Borrowings at Carrying Value	$ 18,628		21,723
Debt Instrument, Call Feature	Each of the notes may be redeemed at a redemption price of 100% of the principal amount plus a specified make-whole premium and accrued interest.
Senior Notes [Member] \| 2.15% 7-Year Senior Notes, Due 7/21/2022 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	2.15%
Debt Instrument, Term	7 years
Debt Instrument, Maturity Date	Jul. 21, 2022
Total Borrowings at Par Value			611
Senior Notes [Member] \| 3.00% 7-Year Senior Notes, Due 4/15/2023
Debt Instrument [Line Items]
Stated Interest Rate	3.00%
Debt Instrument, Term	7 years
Debt Instrument, Maturity Date	Apr. 15, 2023
Total Borrowings at Par Value			1,000
Senior Notes [Member] \| 4.15% 10-Year Senior Notes, Due 2/1/2024
Debt Instrument [Line Items]
Stated Interest Rate	4.15%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Feb. 01, 2024
Total Borrowings at Par Value			1,000
Senior Notes [Member] \| 0.75% 8-Year Senior Notes, Due 9/12/2024 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	0.75%
Debt Instrument, Term	8 years
Debt Instrument, Maturity Date	Sep. 12, 2024
Effective Interest Rate	0.95%
Total Borrowings at Par Value	$ 1,176		1,222
Senior Notes [Member] \| 0.125% 5.5-Year Senior Notes, Due 3/1/2025 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	0.125%
Debt Instrument, Term	5 years 6 months
Debt Instrument, Maturity Date	Mar. 01, 2025
Effective Interest Rate	0.42%
Total Borrowings at Par Value	$ 940		977
Senior Notes [Member] \| 4.133% 5-Year Senior Notes, Due 3/25/2025
Debt Instrument [Line Items]
Stated Interest Rate	4.133%
Debt Instrument, Term	5 years
Debt Instrument, Maturity Date	Mar. 25, 2025
Effective Interest Rate	4.32%
Total Borrowings at Par Value	$ 1,100		1,100
Senior Notes [Member] \| 2.00% 10-Year Senior Notes, Due 4/15/2025 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	2.00%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Apr. 15, 2025
Effective Interest Rate	2.10%
Total Borrowings at Par Value	$ 752		782
Senior Notes [Member] \| 3.65% 10-Year Senior Notes, Due 12/15/2025
Debt Instrument [Line Items]
Stated Interest Rate	3.65%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Dec. 15, 2025
Effective Interest Rate	3.77%
Total Borrowings at Par Value	$ 350		350
Senior Notes [Member] \| 1.40% 8.5-Year Senior Notes, Due 1/23/2026 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.40%
Debt Instrument, Term	8 years 6 months
Debt Instrument, Maturity Date	Jan. 23, 2026
Effective Interest Rate	1.53%
Total Borrowings at Par Value	$ 823		855
Senior Notes [Member] \| 2.95% 10-Year Senior Notes, Due 9/19/2026
Debt Instrument [Line Items]
Stated Interest Rate	2.95%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Sep. 19, 2026
Effective Interest Rate	3.19%
Total Borrowings at Par Value	$ 1,200		1,200
Senior Notes [Member] \| 1.45% 10-Year Senior Notes, Due 3/16/2027 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.45%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Mar. 16, 2027
Effective Interest Rate	1.67%
Total Borrowings at Par Value	$ 589		611
Senior Notes [Member] \| 1.75% 7-Year Senior Notes, Due 4/15/2027 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.75%
Debt Instrument, Term	7 years
Debt Instrument, Maturity Date	Apr. 15, 2027
Effective Interest Rate	1.98%
Total Borrowings at Par Value	$ 706		733
Senior Notes [Member] \| 3.20% 10-Year Senior Notes, Due 8/15/2027
Debt Instrument [Line Items]
Stated Interest Rate	3.20%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Aug. 15, 2027
Effective Interest Rate	3.39%
Total Borrowings at Par Value	$ 750		750
Senior Notes [Member] \| 0.50% 8.5-Year Senior Notes, Due 3/1/2028 (euro-denominated)
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Stated Interest Rate	0.50%
Debt Instrument, Term	8 years 6 months
Debt Instrument, Maturity Date	Mar. 01, 2028
Effective Interest Rate	0.78%
Total Borrowings at Par Value	$ 940		977
Senior Notes [Member] \| 1.375% 12-Year Senior Notes, Due 9/12/2028 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.375%
Debt Instrument, Term	12 years
Debt Instrument, Maturity Date	Sep. 12, 2028
Effective Interest Rate	1.46%
Total Borrowings at Par Value	$ 706		733
Senior Notes [Member] \| 1.95% 12-Year Senior Notes, Due 7/24/2029 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.95%
Debt Instrument, Term	12 years
Debt Instrument, Maturity Date	Jul. 24, 2029
Effective Interest Rate	2.08%
Total Borrowings at Par Value	$ 823		855
Senior Notes [Member] \| 2.60% 10-Year Senior Notes, Due 10/1/2029
Debt Instrument [Line Items]
Stated Interest Rate	2.60%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Oct. 01, 2029
Effective Interest Rate	2.74%
Total Borrowings at Par Value	$ 900		900
Senior Notes [Member] \| 4.497% 10-Year Senior Notes, Due 3/25/2030
Debt Instrument [Line Items]
Stated Interest Rate	4.497%
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date	Mar. 25, 2030
Effective Interest Rate	5.31%
Total Borrowings at Par Value	$ 1,100		1,100
Senior Notes [Member] \| 0.875% 12-Year Senior Notes, Due 10/1/2031 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	0.875%
Debt Instrument, Term	12 years
Debt Instrument, Maturity Date	Oct. 01, 2031
Effective Interest Rate	1.14%
Total Borrowings at Par Value	$ 1,058		1,099
Senior Notes [Member] \| 2.375% 12-Year Senior Notes, Due 4/15/2032 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	2.375%
Debt Instrument, Term	12 years
Debt Instrument, Maturity Date	Apr. 15, 2032
Effective Interest Rate	2.56%
Total Borrowings at Par Value	$ 706		733
Senior Notes [Member] \| 2.875% 20-Year Senior Notes, Due 7/24/2037 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	2.875%
Debt Instrument, Term	20 years
Debt Instrument, Maturity Date	Jul. 24, 2037
Effective Interest Rate	2.94%
Total Borrowings at Par Value	$ 823		855
Senior Notes [Member] \| 1.50% 20-Year Senior Notes, Due 10/1/2039 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.50%
Debt Instrument, Term	20 years
Debt Instrument, Maturity Date	Oct. 01, 2039
Effective Interest Rate	1.73%
Total Borrowings at Par Value	$ 1,058		1,099
Senior Notes [Member] \| 5.30% 30-Year Senior Notes, Due 2/1/2044
Debt Instrument [Line Items]
Stated Interest Rate	5.30%
Debt Instrument, Term	30 years
Debt Instrument, Maturity Date	Feb. 01, 2044
Effective Interest Rate	5.37%
Total Borrowings at Par Value	$ 400		400
Senior Notes [Member] \| 4.10% 30-Year Senior Notes, Due 8/15/2047
Debt Instrument [Line Items]
Stated Interest Rate	4.10%
Debt Instrument, Term	30 years
Debt Instrument, Maturity Date	Aug. 15, 2047
Effective Interest Rate	4.23%
Total Borrowings at Par Value	$ 750		750
Senior Notes [Member] \| 1.875% 30-Year Senior Notes, Due 10/1/2049 (euro-denominated)
Debt Instrument [Line Items]
Stated Interest Rate	1.875%
Debt Instrument, Term	30 years
Debt Instrument, Maturity Date	Oct. 01, 2049
Effective Interest Rate	1.99%
Total Borrowings at Par Value	$ 1,176		1,222
Other Debt [Member]
Debt Instrument [Line Items]
Total Borrowings at Par Value	17		12
Total Borrowings at Carrying Value	$ 17		$ 12