Debt Outstanding Debt (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 26, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total Borrowings at Par Value	$ 21,282	$ 17,960
Fair Value Hedge Accounting Adjustments	30	(13)
Unamortized Discount, Net	(101)	(94)
Unamortized Debt Issuance Costs	(118)	(101)
Total Borrowings at Carrying Value	21,093	17,752
Less: Short-term Obligations and Current Maturities	2	676
Long-term Obligations	21,091	17,076
Senior Notes [Member]
Debt Instrument [Line Items]
Total Borrowings at Carrying Value	$ 21,085	17,736
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] \| Floating Rate 2-Year Senior Notes, Due 8/7/2020 (euro-denominated)
Debt Instrument [Line Items]
Debt Instrument, Term	2 years
Debt Instrument, Maturity Date	Aug. 07, 2020
Total Borrowings at Par Value		673
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
Effective Interest Rate	2.28%
Total Borrowings at Par Value	$ 582	561
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
Effective Interest Rate	1.73%
Total Borrowings at Par Value	$ 1,000	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
Effective Interest Rate	4.16%
Total Borrowings at Par Value	$ 1,000	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	0.94%
Total Borrowings at Par Value	$ 1,163	1,121
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	0.41%
Total Borrowings at Par Value	$ 930	897
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
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	$ 744	717
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	$ 814	785
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	1.66%
Total Borrowings at Par Value	$ 582	561
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	1.97%
Total Borrowings at Par Value	$ 698
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)
Debt Instrument [Line Items]
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	$ 930	897
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	$ 698	673
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	$ 814	785
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
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	$ 1,047	1,009
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	2.55%
Total Borrowings at Par Value	$ 698
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	$ 814	785
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	$ 1,047	1,009
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	$ 1,163	1,121
Other Debt [Member]
Debt Instrument [Line Items]
Total Borrowings at Par Value	8	16
Total Borrowings at Carrying Value	$ 8	$ 16

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Description of a feature that permits the issuer of the debt to repay or convert it before the stated maturity date (early retirement date). The description may include such items as the call price, the period that the issuer can call the debt, including the earliest call date, and other significant terms of the call feature, which may include the debt holders' ability to convert the debt to equity if the call option is exercised and contingent events that trigger the issuer's ability to call the debt.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt discount (premium).

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

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