Short-Term and Long-Term Debt - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended	12 Months Ended
	Nov. 30, 2025	Jun. 30, 2026	Sep. 30, 2025	Dec. 31, 2022
Debt Instrument [Line Items]
Short-term debt		$ 686	$ 608
Interest Bearing Loan Schlumberger (SLB) to Sensia
Debt Instrument [Line Items]
Face amount			42
Notes Payable, Other Payables | Unsecured Revolving Credit Facility Expiring in 2027
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,500
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
EBITDA interest ratio		3.0
Line of Credit | Unsecured Revolving Credit Facility Expiring in 2030 | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term	5 years
Line of credit facility, maximum borrowing capacity	$ 1,500
Line of credit facility, accordion feature, increase limit	$ 750
Commercial Paper
Debt Instrument [Line Items]
Short-term debt		$ 684	$ 522
Debt, weighted average interest rate		3.89%	4.24%
Debt instrument, term		25 days	16 days
Line of Credit
Debt Instrument [Line Items]
Short-term debt			$ 70
Line of credit facility, maximum borrowing capacity				$ 75
Stated interest rate			5.18%
Interest Bearing Loan Schlumberger (SLB) to Sensia
Debt Instrument [Line Items]
Face amount			$ 14