Financial Instruments by Balance Sheet Grouping (Detail) (USD $) In Millions, unless otherwise specified	Jul. 01, 2012		Dec. 31, 2011
Assets
Cash and cash equivalents	$ 892		$ 900
Short-term investments	21,275		23,270
Long-term investments	10,548		9,814
Taxes and other current assets	472	[1]	357	[1]
Taxes and other noncurrent assets	1,150	[2]	1,042	[2]
Total	34,337		35,383
Liabilities
Short-term borrowings, including current portion of long-term debt	7,703	[3]	4,016	[3]
Other current liabilities	545	[4]	459	[4]
Long-term debt	30,868	[5],[6]	34,926	[5],[6]
Other noncurrent liabilities	1,503	[7]	1,306	[7]
Total	$ 40,619		$ 40,707

[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] The differences between the estimated fair values and carrying values of these financial assets and liabilities not measured at fair value on a recurring basis were not significant as of July 1, 2012 or December 31, 2011. Held-to-maturity debt securities and our short-term and long-term debt fair value are based on Level 2 valuations using a market approach. Fair value measurements for private equity securities are based on Level 3 valuations using a market approach.

[4] 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).

[5] Includes foreign currency debt with fair values of $885 million as of July 1, 2012 and $919 million as of December 31, 2011, which are used as hedging instruments.

[6] The fair value of our long-term debt is $35.5 billion as of July 1, 2012 and $40.1 billion as of December 31, 2011.

[7] 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).