Debt (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 27, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total debt principal	$ 13,498	$ 12,005
Less unamortized debt issuance costs and discounts	126	75
Total debt	13,372	11,930
Less current portion	3,394	2,920
Long-term debt	9,978	9,010
Fixed Rate Notes Due May 2020
Debt Instrument [Line Items]
Long term debt	$ 0	2,000
Interest rate	2.875%
Fixed Rate Notes Due May 2021
Debt Instrument [Line Items]
Long term debt	$ 2,000	2,000
Interest rate	3.00%
Fixed-Rate Notes Due July 2021
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	3.875%
Fixed Rate Notes Due November 2022
Debt Instrument [Line Items]
Long term debt	$ 1,000	1,000
Interest rate	2.25%
Fixed Rate Notes Due May 2023
Debt Instrument [Line Items]
Long term debt	$ 750	750
Interest rate	3.375%
Fixed Rate Notes Due August 2023
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	1.875%
Fixed Rate Notes Due November 2024
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	2.375%
Fixed Rate Notes Due April 2025
Debt Instrument [Line Items]
Long term debt	$ 750	0
Interest rate	3.25%
Fixed Rate Notes Due May 2025
Debt Instrument [Line Items]
Long term debt	$ 750	750
Interest rate	3.50%
Fixed Rate Notes Due August 2026
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	2.125%
Fixed Rate Notes Due April 2027
Debt Instrument [Line Items]
Long term debt	$ 750	0
Interest rate	3.50%
Fixed Rate Notes Due November 2027
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	2.625%
Fixed Rate Notes Due May 2028
Debt Instrument [Line Items]
Long term debt	$ 1,000	1,000
Interest rate	3.75%
Fixed Rate Notes Due April 2030
Debt Instrument [Line Items]
Long term debt	$ 1,000	0
Interest rate	3.625%
Fixed Rate Notes Due April 2040
Debt Instrument [Line Items]
Long term debt	$ 750	0
Interest rate	4.25%
Fixed Rate Notes Due November 2042
Debt Instrument [Line Items]
Long term debt	$ 500	500
Interest rate	3.60%
Fixed Rate Notes Due April 2050
Debt Instrument [Line Items]
Long term debt	$ 750	0
Interest rate	4.25%
Floating Rate Notes Due May 2020 \| LIBOR
Debt Instrument [Line Items]
Short-term Debt	$ 0	500
Basis spread on variable rate	0.29%
Floating Rate Notes Due May 2021 \| LIBOR
Debt Instrument [Line Items]
Short-term Debt	$ 500	500
Basis spread on variable rate	0.38%
Other
Debt Instrument [Line Items]
Long term debt	$ 498	$ 505
Other Interest rate	Various

Debt Instrument Interest Rate

No definition available.

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- Definition

Debt, Long-term and Short-term, Combined Amount, Excluding Current Maturities

+ References

No definition available.

+ Details

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- Definition

Debt, Long-term and Short-term, Combined Amount, Net

+ References

No definition available.

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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-Subparagraph (b)(1)
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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