7. Long-term Debt

The estimated fair value of SLB’s Long-term Debt, based on quoted market prices at June 30, 2025 and December 31, 2024, was $10.5 billion and $10.4 billion, respectively.

At June 30, 2025, SLB had committed credit facility agreements with commercial banks aggregating $5.0 billion, of which $2.0 billion matures in February 2028 and $3.0 billion matures in December 2029. These committed facilities support commercial paper programs in the United States and Europe. There were no borrowings under these facilities at June 30, 2025 and December 31, 2024.

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 June 30, 2025, were $1.1 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, 2024.

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