Employee Benefit Plans - Expected long-term return by asset category (Details)	12 Months Ended
	Dec. 31, 2025
Growth assets
Expected Long Term Return [Abstract]
Expected long-term return	6.60%
Asset allocation [Abstract]
Asset allocation	48.00%
Hedging assets
Expected Long Term Return [Abstract]
Expected long-term return	5.00%
Asset allocation [Abstract]
Asset allocation	34.00%
Cash
Expected Long Term Return [Abstract]
Expected long-term return	3.80%
Asset allocation [Abstract]
Asset allocation	18.00%