Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt [Abstract]

Long-term debt

Note 11—Debt
Long-term debt at December 31 was:
		Millions of Dollars
		2012		2011
9.125% Debentures due 2021		$	150	150
8.20% Debentures due 2025			150	150
8.125% Notes due 2030			600	600
7.9% Debentures due 2047			100	100
7.8% Debentures due 2027			300	300
7.68% Notes due 2012			-	7
7.65% Debentures due 2023			88	88
7.625% Debentures due 2013			100	100
7.40% Notes due 2031			500	500
7.375% Debentures due 2029			92	92
7.25% Notes due 2031			500	500
7.20% Notes due 2031			575	575
7% Debentures due 2029			200	200
6.95% Notes due 2029			1,549	1,549
6.875% Debentures due 2026			67	67
6.65% Debentures due 2018			297	297
6.50% Notes due 2039			2,250	2,250
6.50% Notes due 2039			500	500
6.00% Notes due 2020			1,000	1,000
5.951% Notes due 2037			645	645
5.95% Notes due 2036			500	500
5.90% Notes due 2032			505	505
5.90% Notes due 2038			600	600
5.75% Notes due 2019			2,250	2,250
5.625% Notes due 2016			1,250	1,250
5.50% Notes due 2013			750	750
5.20% Notes due 2018			500	500
4.75% Notes due 2012			-	897
4.75% Notes due 2014			400	1,500
4.60% Notes due 2015			1,500	1,500
4.40% Notes due 2013			-	400
2.4% Notes due 2022			1,000	-
1.05% Notes due 2017			1,000	-
Commercial paper at 0.15% – 0.252% at year-end 2012 and 0.34% – 0.341% at
	year-end 2011		1,055	1,128
Industrial Development Bonds due 2012 through 2038 at 0.04% – 0.11% at
	year-end 2012 and 0.08% – 5.75% at year-end 2011		18	252
Guarantee of savings plan bank loan payable due 2015 at 2.29% at year-end 2011			-	15
Note payable to Merey Sweeny, L.P. due 2020 at 7% (related party)			-	133
Marine Terminal Revenue Refunding Bonds due 2031 at 0.08% – 0.2% at
	year-end 2012 and 0.08% – 0.15% at year-end 2011		265	265
Other			24	28
Debt at face value			21,280	22,143
Capitalized leases			16	31
Net unamortized premiums and discounts			429	449
Total debt			21,725	22,623
Short-term debt			(955)	(1,013)
Long-term debt		$	20,770	21,610