Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Millions		Mar. 23, 2019	Dec. 29, 2018
Derivatives, Fair Value [Line Items]
Senior Notes		$ 4,700	$ 7,700
Short-term Investments		289	272
Derivative Asset, Fair Value, Gross Asset	[1],[2]	37	55
Derivative Liability, Fair Value, Gross Liability	[1],[2]	454	568
Total Financial Assets At Fair Value	[2]	350	3,931
Total Financial Liabilities At Fair Value	[2]	927	1,018
Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Assets at Fair Value	[2]	24	44
Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value	[2]	347	341
Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	[2]	13	10
Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Other Derivatives Not Designated as Hedging Instruments Liabilities at Fair Value	[2]	56	119
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Asset at Fair Value	[2],[3]	0	1
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Liability at Fair Value	[2],[3]	51	108
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2],[4]	21	44
Interest Rate Cash Flow Hedge Asset at Fair Value	[2],[4]	1	0
Price Risk Cash Flow Hedge Asset, at Fair Value	[2],[5]	1	0
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2],[4]	28	14
Interest Rate Cash Flow Hedge Liability at Fair Value	[2],[4]	317	323
Price Risk Cash Flow Hedge Liability, at Fair Value	[2],[5]	1	3
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2],[4]	3	3
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	[2],[5]	7	5
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	[2],[4]	0	10
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	[2],[5]	48	92
Fair Value, Inputs, Level 2 [Member] | Liability [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	[2],[6]	0	0
Deferred Compensation Liability, Current and Noncurrent	[2],[7]	473	450
Fair Value, Inputs, Level 2 [Member] | Assets [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	[2],[6]	24	22
Deferred Compensation Liability, Current and Noncurrent	[2],[7]	0	0
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Price Risk Cash Flow Hedge Asset, at Fair Value	[2],[8]	1	0
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Price Risk Cash Flow Hedge Liability, at Fair Value	[2],[8]	1	1
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	[2],[8]	3	2
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	[2],[8]	8	17
Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Debt Securities, Available-for-sale	[2],[9]	75	3,658
Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Debt Securities, Available-for-sale	[2],[9]	0	0
Assets [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	[2],[10]	214	196
Liability [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	[2],[10]	$ 0	$ 0

[1] Derivative assets and liabilities are presented on a gross basis on our balance sheet. Amounts subject to enforceable master netting arrangements or similar agreements which are not offset on the balance sheet as of March 23, 2019 and December 29, 2018 were not material. Collateral received or posted against our asset or liability positions was not material. Collateral posted is classified as restricted cash. See Note 13 for further information.

[2] Unless otherwise noted, financial assets are classified on our balance sheet within prepaid expenses and other current assets and other assets. Financial liabilities are classified on our balance sheet within accounts payable and other current liabilities and other liabilities.

[3] Based on LIBOR forward rates. As of March 23, 2019 and December 29, 2018, the carrying amount of the hedged fixed-rate debt was $4.7 billion and $7.7 billion, respectively, and classified on our balance sheet within short-term and long-term debt obligations.

[4] Based on recently reported market transactions of spot and forward rates.

[5] Based on recently reported market transactions of swap arrangements.

[6] Based primarily on the price of our common stock.

[7] Based on the fair value of investments corresponding to employees’ investment elections.

[8] Based on quoted contract prices on futures exchange markets.

[9] Based on quoted broker prices or other significant inputs derived from or corroborated by observable market data. As of March 23, 2019, these debt securities were classified as short-term investments. As of December 29, 2018, these debt securities were primarily classified as cash equivalents. Unrealized gains and losses on our investments in debt securities as of March 23, 2019 and December 29, 2018 were not material. The decrease in available-for-sale debt securities was due to maturities during the quarter.

[10] Based on the price of index funds. These investments are classified as short-term investments and are used to manage a portion of market risk arising from our deferred compensation liability.