Derivative Instruments and Fair Value Measurements - Effect of Derivative Instruments on the Consolidated Statements of Income and Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	$ 12		$ (53)
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(33)	$ 41	7	$ (3)
Not Designated as Hedging Instrument \| Foreign currency exchange contracts \| COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(5)	1	46	(10)
Not Designated as Hedging Instrument \| Foreign currency exchange contracts \| Selling, General and Administrative Expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income			4	0
Not Designated as Hedging Instrument \| Foreign currency exchange contracts \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	1	0	1	0
Not Designated as Hedging Instrument \| Foreign currency exchange contracts \| Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(3)	0	6	(1)
Not Designated as Hedging Instrument \| Commodity contracts \| COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(26)	40	(50)	8
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(22)	(12)	53	31
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	9	8	18	16
Net Investment Hedging \| Foreign currency denominated long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(18)	(35)	(9)	16
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	0	0	0	0
Net Investment Hedging \| Cross currency interest rate contract \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(4)	23	62	15
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	$ 9	$ 8	$ 18	$ 16

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

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Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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