Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2014

Marketable Securities

Schedule of Marketable Securities

		December 31,		December 31,
(Millions)		2014		2013
U.S. government agency securities		$	67	$	103
Foreign government agency securities			75		30
Corporate debt securities			241		143
Commercial paper			―		60
Certificates of deposit/time deposits			41		20
U.S. municipal securities			―		2
Asset-backed securities:
	Automobile loan related		122		287
	Credit card related		59		52
	Equipment lease related		21		30
	Other		―		29
Asset-backed securities total			202		398
Current marketable securities		$	626	$	756
U.S. government agency securities		$	41	$	131
Foreign government agency securities			20		95
Corporate debt securities			378		638
Certificates of deposit/time deposits			―		20
U.S. treasury securities			38		49
U.S. municipal securities			15		―
Auction rate securities			―		11
Asset-backed securities:
	Automobile loan related		160		298
	Credit card related		103		128
	Equipment lease related		27		37
	Other		46		46
Asset-backed securities total			336		509
Non-current marketable securities		$	828	$	1,453
Total marketable securities		$	1,454	$	2,209

Marketable securities by contractual maturity

(Millions)	December 31, 2014
Due in one year or less	$	367
Due after one year through five years		1,064
Due after five years through ten years		8
Due after ten years		15
Total marketable securities	$	1,454