Long-term Debt consist of the following:


(Stated in millions)

	Mar. 31,		Dec. 31,
	2023		2022
3.90% Senior Notes due 2028	$	1,464	$	1,464
2.65% Senior Notes due 2030		1,250		1,250
1.375% Guaranteed Notes due 2026		1,082		1,061
2.00% Guaranteed Notes due 2032		1,076		1,055
0.25% Notes due 2027		974		955
0.50% Notes due 2031		973		954
4.30% Senior Notes due 2029		847		847
1.00% Guaranteed Notes due 2026		648		635
0.00% Notes due 2024		542		531
4.00% Senior Notes due 2025		523		522
1.40% Senior Notes due 2025		499		499
3.75% Senior Notes due 2024		355		355
7.00% Notes due 2038		201		202
5.95% Notes due 2041		112		112
5.13% Notes due 2043		98		98
3.70% Notes due 2024		54		54
	$	10,698	$	10,594

The estimated fair value of SLB’s Long-term Debt, based on quoted market prices at March 31, 2023 and December 31, 2022, was $9.8 billion and $9.4 billion, respectively.

At March 31, 2023, SLB had committed credit facility agreements aggregating $5.75 billion with commercial banks, of which $5.19 billion was available and unused. These committed facilities support commercial paper programs in the United States and Europe, of which $0.75 billion matures in February 2024, $2.0 billion matures in February 2025, $1.0 billion matures in July 2026 and $2.0 billion matures in February 2027. SLB also has a €750 million three-year committed revolving credit facility maturing in June 2024. At March 31, 2023 no amounts had been drawn under this facility. Interest rates and other terms of borrowing under these lines of credit vary by facility.

Borrowings under the commercial paper programs at March 31, 2023 were $559 million, all of which was classified in Short-term borrowings and current portion of long-term debt in the Consolidated Balance Sheet. There were no borrowings under the commercial paper programs at December 31, 2022.

Schlumberger Limited fully and unconditionally guarantees the securities issued by certain of its subsidiaries, including securities issued by Schlumberger Investment SA and Schlumberger Finance Canada Ltd., both indirect wholly-owned subsidiaries of Schlumberger Limited.