Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2012

Marketable Securities

Schedule of Marketable Securities

		June 30,		December 31,
(Millions)		2012		2011
U.S. government agency securities		$	188	$	119
Foreign government agency securities			3		8
Corporate debt securities			455		413
Commercial paper			254		30
Certificates of deposit/time deposits			36		49
U.S. treasury securities			20		―
U.S. municipal securities			17		9
Asset-backed securities:
	Automobile loan related		453		530
	Credit card related		112		244
	Equipment lease related		56		54
	Other		1		5
Asset-backed securities total			622		833
Current marketable securities		$	1,595	$	1,461
U.S. government agency securities		$	400	$	361
Foreign government agency securities			31		15
Corporate debt securities			364		255
U.S. treasury securities			17		34
U.S. municipal securities			24		5
Auction rate securities			4		4
Asset-backed securities:
	Automobile loan related		159		188
	Credit card related		23		24
	Equipment lease related		9		10
Asset-backed securities total			191		222
Non-current marketable securities		$	1,031	$	896
Total marketable securities		$	2,626	$	2,357

Marketable securities by contractual maturity

(Millions)	June 30, 2012
Due in one year or less	$	1,154
Due after one year through three years		1,225
Due after three years through five years		241
Due after five years		6
Total marketable securities	$	2,626