Available-For-Sale Securities (Tables)

9 Months Ended

Sep. 30, 2011

Available-For-Sale Securities

Schedule of available-for-sale securities

	September 30, 2011			December 31, 2010
		Unrealized			Unrealized
		Pretax Net			Pretax Net
(Millions of dollars)	Cost Basis	Gains (Losses)	Fair Value	Cost Basis	Gains (Losses)	Fair Value
Government debt
U.S. treasury bonds	$10	$—	$10	$12	$—	$12
Other U.S. and non-U.S. government bonds	72	2	74	76	1	77
Corporate bonds
Corporate bonds	526	30	556	481	30	511
Asset-backed securities	117	(1)	116	136	—	136
Mortgage-backed debt securities
U.S. governmental agency mortgage-backed securities	274	16	290	258	15	273
Residential mortgage-backed securities	36	(4)	32	43	(3)	40
Commercial mortgage-backed securities	156	1	157	164	4	168
Equity securities
Large capitalization value	116	6	122	100	22	122
Smaller company growth	21	6	27	23	8	31
Total	$1,328	$56	$1,384	$1,293	$77	$1,370

Investments in an unrealized loss position that are not other-than-temporarily impaired:

	September 30, 2011
	Less than 12 months 1		12 months or more 1		Total
(Millions of dollars)	Fair Value	Unrealized Losses	Fair Value	Unrealized Losses	Fair Value	Unrealized Losses
Corporate bonds
Corporate bonds	$65	$1	$—	$—	$65	$1
Asset-backed securities	—	—	17	5	17	5
Mortgage-backed debt securities
Residential mortgage-backed securities	—	—	18	4	18	4
Commercial mortgage-backed securities	14	2	7	2	21	4
Equity securities
Large capitalization value	49	9	5	1	54	10
Small company growth	5	1	—	—	5	1
Total	$133	$13	$47	$12	$180	$25

	December 31, 2010
	Less than 12 months 1		12 months or more 1		Total
	Fair Value	Unrealized Losses	Fair Value	Unrealized Losses	Fair Value	Unrealized Losses
Corporate bonds
Asset-backed securities	$19	$—	$19	$4	$38	$4
Mortgage-backed debt securities
Residential mortgage-backed securities	2	—	25	4	27	4
Commercial mortgage-backed securities	3	—	14	1	17	1
Equity securities
Large capitalization value	14	1	12	2	26	3
Total	$38	$1	$70	$11	$108	$12

1    Indicates length of time that individual securities have been in a continuous unrealized loss position.

Fair value of the available-for-sale debt securities, by contractual maturity

(Millions of dollars)	Fair Value
Due in one year or less	$78
Due after one year through five years	$465
Due after five years through ten years	$211
Due after ten years	$481

Schedule of proceeds and gross gain and losses from the sale of available-for-sale securities

Sales of Securities
	Three Months Ended September 30,		Nine Months Ended September 30,
(Millions of dollars)	2011	2010	2011	2010
Proceeds from the sale of available-for-sale securities	$58	$51	$180	$141
Gross gains from the sale of available-for-sale securities	$1	$—	$3	$1
Gross losses from the sale of available-for-sale securities	$—	$—	$1	$—