Derivative Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 29, 2019	Dec. 29, 2018
Derivative [Line Items]
Net deferred losses reported in AOCI to be reclassified into income in the next twelve months	$ (5)
Collateral posted	0
Derivative, Collateral, Obligation to Return Cash	7	$ 2
Other liabilities
Derivative [Line Items]
Derivative, Collateral, Obligation to Return Cash	19
Accounts Receivable, Net
Derivative [Line Items]
Collateral posted	0
Accounts Receivable, Net \| Exchange-traded commodity
Derivative [Line Items]
Margin deposits	$ 12
Five Largest Accounts \| Customer Concentration Risk \| Accounts Receivable, Net
Derivative [Line Items]
Concentration percentage	20.00%

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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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.

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The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

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