Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt [Abstract]

Long-term debt

Note 11—Debt
Long-term debt at December 31 was:
		Millions of Dollars
		2015		2014
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
7.65% Debentures due 2023			88	88
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
5.20% Notes due 2018			500	500
4.30% Notes due 2044			750	750
4.15% Notes due 2034			500	500
3.35% Notes due 2024			1,000	1,000
3.35% Notes due 2025			500	-
2.875% Notes due 2021			750	750
2.4% Notes due 2022			1,000	1,000
2.2% Notes due 2020			500	-
1.5% Notes due 2018			750	-
1.05% Notes due 2017			1,000	1,000
Floating rate notes due 2018 at 0.61% – 0.69% during 2015			250	-
Floating rate notes due 2022 at 1.18% – 1.26% during 2015			500	-
Commercial paper at 0.16% – 0.80% during 2015 and 0.14% – 0.21% during 2014			803	860
Industrial Development Bonds due 2015 through 2038 at 0.01% – 0.13% during
	2015 and 0.02% – 0.13% during 2014		18	18
Marine Terminal Revenue Refunding Bonds due 2031 at 0.01% – 0.14% during
	2015 and 0.02% – 0.15% during 2014		265	265
Other			24	24
Debt at face value			23,778	21,335
Capitalized leases			818	858
Net unamortized premiums, discounts and debt issuance costs			284	372
Total debt			24,880	22,565
Short-term debt			(1,427)	(182)
Long-term debt		$	23,453	22,383

Capital lease payment table

At December 31, 2015, future minimum payments due under capital leases were:
	Millions
	of Dollars
2016	$	91
2017		76
2018		76
2019		76
2020		76
Remaining years		648
Total		1,043
Less: portion representing imputed interest		(225)
Capital lease obligations	$	818