v3.26.1
Investments (Tables)
 12 Months Ended
Dec. 31, 2025
NGSP  
EBP, Master Trust [Line Items]  
EBP, Master Trust
The net assets of the DC Master Trust and the Plan's interest in Master Trust balances as of December 31, 2025 and 2024, are as follows:
Master Trust Balances
Plan's Interest in Master Trust Balances
$ in thousands2025202420252024
Assets
At fair value:
Cash equivalents and short-term investment fund$78,177 $93,059 $77,001 $91,680 
U.S. equities4,048,009 3,594,037 4,030,621 3,576,126 
Common/collective trust funds32,627,651 28,679,632 32,193,443 28,262,363 
Collateral held under securities lending agreements200,064 693,505 197,935 685,586 
Total investments at fair value36,953,901 33,060,233 36,499,000 32,615,755 
At contract value:
Synthetic guaranteed investment contracts3,052,155 3,161,481 3,005,171 3,112,812 
Total investments at contract value3,052,155 3,161,481 3,005,171 3,112,812 
Dividends, interest, taxes and other receivables213 284 210 281 
Total assets40,006,269 36,221,998 39,504,381 35,728,848 
Liabilities
Due to broker for securities purchased and other payables4,516 2,796 4,449 2,746 
Collateral held under securities lending agreements200,064 693,505 197,935 685,586 
Total liabilities204,580 696,301 202,384 688,332 
Net assets of the DC Master Trust$39,801,689 $35,525,697 $39,301,997 $35,040,516 
Net investment income for the DC Master Trust for the plan year ended December 31, 2025, is as follows:
$ in thousands2025
Investment income
Net appreciation in value of investments$5,867,005 
Interest95,113 
Dividends65,793 
Other income2,255 
Investment manager fees(3,597)
Net investment income$6,026,569