Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2012

Marketable Securities

Schedule of Marketable Securities

		September 30,		December 31,
(Millions)		2012		2011
U.S. government agency securities		$	316	$	119
Foreign government agency securities			3		8
Corporate debt securities			499		413
Commercial paper			396		30
Certificates of deposit/time deposits			76		49
U.S. treasury securities			34		―
U.S. municipal securities			20		9
Asset-backed securities:
	Automobile loan related		454		530
	Credit card related		143		244
	Equipment lease related		32		54
	Other		16		5
Asset-backed securities total			645		833
Current marketable securities		$	1,989	$	1,461
U.S. government agency securities		$	410	$	361
Foreign government agency securities			61		15
Corporate debt securities			492		255
U.S. treasury securities			18		34
U.S. municipal securities			14		5
Auction rate securities			6		4
Asset-backed securities:
	Automobile loan related		320		188
	Credit card related		33		24
	Equipment lease related		38		10
	Other		8		―
Asset-backed securities total			399		222
Non-current marketable securities		$	1,400	$	896
Total marketable securities		$	3,389	$	2,357

Marketable securities by contractual maturity

(Millions)	September 30, 2012
Due in one year or less	$	1,244
Due after one year through three years		1,026
Due after three years through five years		1,118
Due after five years		1
Total marketable securities	$	3,389