Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of Long Term Debt

Short-term and long-term debt at December 31 was:

	Millions of Dollars
	2021		2020
Phillips 66
4.300% Senior Notes due April 2022	$	1,000	2,000
3.700% Senior Notes due April 2023	500		500
0.900% Senior Notes due February 2024	800		800
3.850% Senior Notes due April 2025	650		650
1.300% Senior Notes due February 2026	500		500
3.900% Senior Notes due March 2028	800		800
2.150% Senior Notes due December 2030	850		850
4.650% Senior Notes due November 2034	1,000		1,000
5.875% Senior Notes due May 2042	1,500		1,500
4.875% Senior Notes due November 2044	1,700		1,700
3.300% Senior Notes due March 2052	1,000		—
Term Loan due November 2023 at 1.397% at year-end 2020	—		500
Floating Rate Senior Notes due February 2021 at 0.833% at year-end 2020	—		500
Floating Rate Senior Notes due February 2024 at 0.840% at year-end 2020	—		450
Floating Rate Advance Term Loan due December 2034 at 0.699% and 0.755% at year-end 2021 and 2020, respectively—related party	25		25
Other	1		1
Phillips 66 Partners
2.450% Senior Notes due December 2024	300		300
3.605% Senior Notes due February 2025	500		500
3.550% Senior Notes due October 2026	500		500
3.750% Senior Notes due March 2028	500		500
3.150% Senior Notes due December 2029	600		600
4.680% Senior Notes due February 2045	450		450
4.900% Senior Notes due October 2046	625		625
Floating Rate Term Loan due April 2022 at 0.978% at year-end 2021	450		—
Tax-Exempt Bonds due April 2021 at weighted-average rate of 0.360% at year-end 2020	—		50
Revolving Credit Facility due January 2021 at weighted-average rate of 1.397% at year-end 2020	—		415
Debt at face value	14,251		15,716
Finance leases	290		264
Software obligations	16		19
Net unamortized discounts and debt issuance costs	(109)		(106)
Total debt	14,448		15,893
Short-term debt	(1,489)		(987)
Long-term debt	$	12,959	14,906