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Debt (Tables)

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Schedule of Debt

Long-term debt at December 31 was:


			Millions of Dollars
			2022			2021
2.40% Notes due 2022			—			329
7.65% Debentures due 2023			78			78
3.35% Notes due 2024			426			426
2.125% Notes due 2024			900			—
8.2% Notes due 2025			134			134
3.35% Debentures due 2025			199			199
2.40% Notes due 2025			900			—
6.875% Debentures due 2026			67			67
4.95% Notes due 2026			—			1,250
7.8% Debentures due 2027			203			203
3.75% Notes due 2027			196			1,000
4.3% Notes due 2028			223			1,000
7.375% Debentures due 2029			92			92
7.0% Debentures due 2029			112			200
6.95% Notes due 2029			1,195			1,549
8.125% Notes due 2030			390			390
7.4% Notes due 2031			382			500
7.25% Notes due 2031			400			500
7.2% Notes due 2031			447			575
2.4% Notes due 2031			227			500
5.9% Notes due 2032			505			505
4.15% Notes due 2034			246			246
5.95% Notes due 2036			326			500
5.951% Notes due 2037			631			645
5.9% Notes due 2038			350			600
6.5% Notes due 2039			1,588			2,750
3.758% Notes due 2042			785			—
4.3% Notes due 2044			750			750
5.95% Notes due 2046			329			500
7.9% Debentures due 2047			60			60
4.875% Notes due 2047			319			800
4.85% Notes due 2048			219			600
3.8% Notes due 2052			1,100			—
4.025% Notes due 2062			1,770			—
Floating rate notes due 2022 at 1.06% – 1.41% during 2022 and 1.02% – 1.12% during 2021			—			500
Marine Terminal Revenue Refunding Bonds due 2031 at 0.07% – 4.10% during 2022 and 0.04% – 0.15% during 2021			265			265
Industrial Development Bonds due 2035 at 0.07% – 4.10% during 2022 and 0.04% – 0.12% during 2021			18			18

Other			23			35
Debt at face value			15,855			17,766
Finance leases			1,320			1,261
Net unamortized premiums, discounts and debt issuance costs			(532)			907
Total debt			16,643			19,934
Short-term debt			(417)			(1,200)
Long-term debt			$	16,226		18,734