Financial Instruments by Balance Sheet Grouping (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	Jul. 01, 2012		Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Taxes and other current assets	$ 472	[1]	$ 357	[1]
Taxes and other noncurrent assets	1,150	[2]	1,042	[2]
Other current liabilities	545	[3]	459	[3]
Other noncurrent liabilities	1,503	[4]	1,306	[4]
Foreign currency forward-exchange contracts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Taxes and other current assets	406		349
Other current liabilities	285		355
Foreign Exchange Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Taxes and other current assets	30
Taxes and other noncurrent assets	39		17
Other current liabilities	260		104
Other noncurrent liabilities	1,500		1,300
Interest rate swaps [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Taxes and other current assets	36		8
Taxes and other noncurrent assets	1,100		1,000
Other noncurrent liabilities	$ 20		$ 14

[1] As of July 1, 2012, derivative instruments at fair value include foreign currency forward-exchange contracts ($406 million), interest rate swaps ($36 million) and foreign currency swaps ($30 million) and, as of December 31, 2011, include foreign currency forward-exchange contracts ($349 million) and interest rate swaps ($8 million).

[2] As of July 1, 2012, derivative instruments at fair value include interest rate swaps ($1.1 billion) and foreign currency swaps ($39 million) and, as of December 31, 2011, include interest rate swaps ($1 billion) and foreign currency swaps ($17 million).

[3] At July 1, 2012, derivative instruments at fair value include foreign currency swaps ($260 million) and foreign currency forward-exchange contracts ($285 million) and, as of December 31, 2011, include foreign currency forward-exchange contracts ($355 million) and foreign currency swaps ($104 million).

[4] At July 1, 2012, derivative instruments at fair value include foreign currency swaps ($1.5 billion) and interest rate swaps ($20 million) and, as of December 31, 2011, include foreign currency swaps ($1.3 billion) and interest rate swaps ($14 million).