Financial Instruments - Derivative Impact on Statements of Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Derivative [Line Items]
Other comprehensive income (loss), derivatives, gain (loss), before reclassification and tax	$ 4	$ (108)	$ 53	$ (78)
Cash Flow Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue \| Foreign exchange contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on cash flow hedges, before tax	11	(38)	23	(48)
Amounts excluded from the effectiveness assessment of cash flow hedges, before tax	(2)	0	(3)	(1)
Cash Flow Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpenseOperating \| Cross-currency contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on cash flow hedges, before tax	0	(4)	0	(10)
Cash Flow Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpenseOperating \| Interest rate contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on cash flow hedges, before tax	(12)	0	(12)	0
Cash Flow Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense \| Cross-currency contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on cash flow hedges, before tax	0	158	0	201
Cash Flow Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense \| Foreign exchange contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on cash flow hedges, before tax	0	(1)	1	(2)
Net Investment Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpenseOperating \| Foreign exchange contracts
Derivative [Line Items]
Amounts excluded from the effectiveness assessment of net investment hedges, before tax	9	0	6	0
Net Investment Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpenseOperating \| Cross-currency contracts
Derivative [Line Items]
Amounts excluded from the effectiveness assessment of net investment hedges, before tax	6	13	13	22
Net Investment Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense \| Foreign exchange contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on net investment hedges, before tax	(14)	0	(30)	0
Net Investment Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense \| Cross-currency contracts
Derivative [Line Items]
Gains/(losses) recognized in other comprehensive income (loss) on net investment hedges, before tax	(1)	(229)	40	(259)
Fair Value Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense \| Foreign exchange contracts
Derivative [Line Items]
Amounts excluded from the effectiveness assessment of net investment hedges, before tax	3	0	2	(3)
Fair Value Hedging \| Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense \| Cross-currency contracts
Derivative [Line Items]
Amounts excluded from the effectiveness assessment of net investment hedges, before tax	$ 4	$ (7)	$ 13	$ 22

Other Comprehensive Income (Loss), Cash Flow Hedge, Excluded Component, Increase (Decrease), before Adjustments and Tax

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- Definition

Other Comprehensive Income (Loss), Derivative, Gain (Loss), before Reclassification and Tax

+ References

No definition available.

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- Definition

Other Comprehensive Income (Loss), Net Investment Hedge, Excluded Component, Increase (Decrease), before Adjustments and Tax

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 182
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-182

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

+ References

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