Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Measurements

Fair Value, Assets and Liabilities Measured on Recurring Basis

			Fair Value Measurements
(Millions)	Fair Value at		Using Inputs Considered as
Description	September 30, 2015		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
U.S. government agency securities	$	1	$	—	$	1	$	—
Foreign government agency securities		10		—		10		—
Corporate debt securities		11		—		11		—
Commercial paper		25		—		25		—
Certificates of deposit/time deposits		34		—		34		—
Asset-backed securities:
Automobile loan related		38		—		38		—
Credit card related		10		—		10		—
Equipment lease related		3		—		3		—
Other		19		—		19		—
U.S. municipal securities		15		—		—		15
Investments		1		1		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		328		—		328		—
Interest rate swap contracts		40		—		40		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		87		—		87		—
Commodity price swap contracts		1		—		1		—

			Fair Value Measurements
(Millions)	Fair Value at		Using Inputs Considered as
Description	December 31, 2014		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
U.S. government agency securities	$	108	$	—	$	108	$	—
Foreign government agency securities		95		—		95		—
Corporate debt securities		619		—		619		—
Certificates of deposit/time deposits		41		—		41		—
Asset-backed securities:
Automobile loan related		282		—		282		—
Credit card related		162		—		162		—
Equipment lease related		48		—		48		—
Other		46		—		46		—
U.S. treasury securities		38		38		—		—
U.S. municipal securities		15		—		—		15
Investments		1		1		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		229		—		229		—
Interest rate swap contracts		27		—		27		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		36		—		36		—
Commodity price swap contracts		4		—		4		—
Interest rate swap contracts		3		—		3		—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

(Millions)	Three months ended				Nine months ended
Marketable securities — auction rate securities and certain U.S. municipal	September 30,				September 30,
securities only	2015		2014		2015		2014
Beginning balance	$	15	$	12	$	15	$	11
Total gains or losses:
Included in earnings		—		—		—		—
Included in other comprehensive income		—		—		—		1
Purchases and issuances		—		—		—		—
Sales and settlements		—		—		—		—
Transfers in and/or out of level 3		—		—		—		—
Ending balance	$	15	$	12	$	15	$	12
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period		—		—		—		—

Fair Value of Financial Instruments by Balance Sheet Grouping

	September 30, 2015				December 31, 2014
	Carrying		Fair		Carrying		Fair
(Millions)	Value		Value		Value		Value
Long-term debt, excluding current portion	$	8,974	$	10,260	$	6,731	$	7,203