Fair Value Measurements and Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities that are measured at fair value on a recurring basis

The following tables present the categorization of the Company's assets and liabilities that are measured at fair value on a recurring basis at December 31, 2013 and 2012, respectively (in millions):

			Fair Value Measurements Using
	Balance at December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Money market funds and highly liquid debt securities (1)	$	2,079	$	2,054	$	25	$	—
Other investments
Fixed maturity securities
Corporate bonds	2		—		—		2
Government bonds	7		—		7		—
Equity securities	13		6		7		—
Derivatives
Interest rate contracts	9		—		9		—
Foreign exchange contracts	71		—		71		—
Liabilities:
Derivatives
Foreign exchange contracts	93		—		93		—

(1) Includes $2,054 million of money market funds and $25 million of highly liquid debt securities that are classified as Fiduciary assets, Short-term investments or Cash equivalents in the Consolidated Statements of Financial Position, depending on their nature and initial maturity. See Note 7 "Investments" for additional information regarding the Company's investments.

			Fair Value Measurements Using
	Balance at December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Money market funds and highly liquid debt securities (1)	$	2,133	$	2,108	$	25	$	—
Other investments
Fixed maturity securities
Corporate bonds	12		—		—		12
Government bonds	8		—		8		—
Equity securities	5		5		—		—
Derivatives
Interest rate contracts	17		—		17		—
Foreign exchange contracts	193		—		193		—
Liabilities:
Derivatives
Foreign exchange contracts	251		—		251		—

(1) Includes $2,108 million of money market funds and $25 million of highly liquid debt securities that are classified as Fiduciary assets, Short-term investments or Cash equivalents in the Consolidated Statements of Financial Position, depending on their nature and initial maturity. See Note 7 "Investments" for additional information regarding the Company's investments.

Schedule of financial instruments where the carrying amounts and fair values differ

The fair value of all long-term debt instruments is classified as Level 2. The following table discloses the Company's financial instruments where the carrying amounts and fair values differ (in millions):

As of December 31	2013				2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt	$	3,686	$	3,894	$	3,713	$	4,162