Long-term Debt consists of the following:


(Stated in millions)

	Mar. 31,		Dec. 31,
	2026		2025
3.90% Senior Notes due 2028	$	1,485	$	1,484
2.65% Senior Notes due 2030		1,247		1,247
2.00% Guaranteed Notes due 2032		1,145		1,172
0.25% Notes due 2027		1,035		1,059
0.50% Notes due 2031		1,033		1,058
4.30% Senior Notes due 2029		848		848
4.50% Senior Notes due 2028		498		497
5.00% Senior Notes due 2027		498		497
4.85% Senior Notes due 2033		495		495
5.00% Senior Notes due 2029		495		494
5.00% Senior Notes due 2034		488		487
7.00% Notes due 2038		195		195
5.95% Notes due 2041		110		111
5.13% Notes due 2043		98		98
	$	9,670	$	9,742

The estimated fair value of SLB’s Long-term Debt, based on quoted market prices at March 31, 2026 and December 31, 2025, was $9.3 billion and $9.4 billion, respectively.

At March 31, 2026, SLB had committed credit facility agreements with commercial banks aggregating $5.0 billion, of which $2.0 billion matures in February 2029 and $3.0 billion matures in December 2030. These committed facilities support commercial paper programs in the United States and Europe. There were no borrowings under these facilities at March 31, 2026 or December 31, 2025.

Commercial paper borrowings are classified as long-term debt to the extent they are backed up by available and unused committed credit facilities maturing in more than one year and to the extent it is SLB’s intent to maintain these obligations for longer than one year. Borrowings under the commercial paper programs at March 31, 2026 were $0.8 billion, all of which were 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, 2025.

SLB Limited fully and unconditionally guarantees the publicly-held debt securities issued by Schlumberger Investment S.A., an indirect wholly-owned subsidiary of SLB Limited.