Derivative Financial Instruments (Detail) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Sep. 25, 2010	Oct. 01, 2011	Sep. 25, 2010	Dec. 25, 2010
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	$ 18,271	$ 16,479	$ 18,271	$ 16,479	$ 17,810
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	(101)	182	157	7
Gains (Losses) Reclassified From Accumulated OCI Into Income by Derivative Instrument Type (Effective Portion)	54	4	172	53
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			27
Cost of Sales [Member] | Currency Forwards [Member]
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Reclassified From Accumulated OCI Into Income by Derivative Instrument Type (Effective Portion)	38	3	114	32
Cost of Sales [Member] | Other Derivative Instruments [Member]
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Reclassified From Accumulated OCI Into Income by Derivative Instrument Type (Effective Portion)		1	2	(2)
Research and Development [Member] | Currency Forwards [Member]
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Reclassified From Accumulated OCI Into Income by Derivative Instrument Type (Effective Portion)	8	4	31	21
Marketing, General and Administrative [Member] | Currency Forwards [Member]
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Reclassified From Accumulated OCI Into Income by Derivative Instrument Type (Effective Portion)	8	(4)	25	2
Interest and other, net [Member] | Not Designated as Hedging Instrument [Member] | Currency Forwards [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	34	(60)	50	83
Interest and other, net [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	(11)	(20)	(30)	(66)
Interest and other, net [Member] | Not Designated as Hedging Instrument [Member] | Currency Interest Rate Swaps [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	85	(132)	(43)	94
Gains (Losses) On Other Equity Investments, Net [Member] | Not Designated as Hedging Instrument [Member] | Equity Options [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income		63	(70)	78
Gains (Losses) On Other Equity Investments, Net [Member] | Not Designated as Hedging Instrument [Member] | Other Derivative Instruments [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income		2	3	(2)
Gains (Losses) On Other Equity Investments, Net [Member] | Equity Options [Member] | Not Designated as Hedging Instrument [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	(4)
Gains (Losses) On Other Equity Investments, Net [Member] | Other Derivative Instruments [Member] | Not Designated as Hedging Instrument [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	1
Various [Member] | Not Designated as Hedging Instrument [Member] | Total Return Swaps [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	(64)	33	(44)	31
Not Designated as Hedging Instrument [Member]
Schedule of Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income	41	(114)	(134)	218
Other Current Assets [Member] | Currency Forwards [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	69		69		35
Other Current Assets [Member] | Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	2		2		2
Other Current Assets [Member] | Currency Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	28		28		64
Other Current Assets [Member] | Total Return Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset					41
Other Current Assets [Member] | Equity Options [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset					65
Other Current Assets [Member] | Other Derivative Instruments [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset					1
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	99		99		208
Other Long-Term Assets [Member] | Currency Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	18		18		17
Other Long-Term Assets [Member] | Total Return Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	6		6		6
Other Long-Term Assets [Member] | Equity Options [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	1		1		5
Other Long-Term Assets [Member] | Other Derivative Instruments [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	23		23		19
Other Long-Term Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	48		48		47
Other Accrued Liabilities [Member] | Currency Forwards [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	46		46		14
Other Accrued Liabilities [Member] | Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	77		77		96
Other Accrued Liabilities [Member] | Currency Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	33		33		47
Other Accrued Liabilities [Member] | Equity Options [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	10		10		7
Other Accrued Liabilities [Member] | Other Derivative Instruments [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability					1
Other Accrued Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	166		166		165
Other Long-Term Liabilities [Member] | Embedded Debt Derivatives [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	5		5		31
Other Long-Term Liabilities [Member] | Currency Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	17		17		13
Other Long-Term Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	22		22		44
Other Current Assets [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	224		224		330
Other Current Assets [Member] | Currency Forwards [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	124		124		120
Other Current Assets [Member] | Other Derivative Instruments [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	1		1		2
Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	125		125		122
Other Long-Term Assets [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	50		50		50
Other Long-Term Assets [Member] | Currency Forwards [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	2		2		3
Other Long-Term Assets [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Asset, Fair Value, Gross Asset	2		2		3
Other Accrued Liabilities [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	290		290		208
Other Accrued Liabilities [Member] | Currency Forwards [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	124		124		43
Other Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	124		124		43
Other Long-Term Liabilities [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	32		32		47
Other Long-Term Liabilities [Member] | Currency Forwards [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	10		10		3
Other Long-Term Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments in Statements of Financial Position, Fair Value [Abstract]
Derivative Liability, Fair Value, Gross Liability	10		10		3
Currency Forwards [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	9,902	7,272	9,902	7,272	8,502
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	(101)	184	155	6
Embedded Debt Derivatives [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	3,600	3,600	3,600	3,600	3,600
Interest Rate Swaps [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	2,001	2,208	2,001	2,208	2,166
Currency Interest Rate Swaps [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	1,870	2,189	1,870	2,189	2,259
Total Return Swaps [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	731	550	731	550	627
Equity Options [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	31	501	31	501	496
Currency Options [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount		94		94	94
Other Derivative Instruments [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	136	65	136	65	66
Schedule of Derivative Instruments in Cash Flow Hedging Relationships [Abstract]
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)		(2)	2	1
Other Currencies [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	837	637	837	637	626
Euro [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	3,958	4,122	3,958	4,122	4,445
Japanese Yen [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	3,464	2,954	3,464	2,954	3,440
Israeli Shekel [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	1,987	845	1,987	845	1,191
British Pound Sterling [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	371	430	371	430	424
Chinese Yuan [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	606	289	606	289	347
Malaysian Ringgit [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	549	278	549	278	382
Currency Forwards, Currency Interest Rate Swaps And Currency Options [Member]
Gross Notional Amounts [Abstract]
Derivative, Notional Amount	$ 11,772	$ 9,555	$ 11,772	$ 9,555	$ 10,855