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INVESTMENTS (Tables)
9 Months Ended
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investment
The following table provides a summary of our Investments as of the dates presented:

September 30,
2025
December 31,
2024
(Millions)
Investment securities:
Available-for-sale debt securities$174 $170 
Equity securities49 47 
Total investment securities223 217 
Equity method and other investments61 49 
Total Investments$284 $266 
Schedule of Principal Components of Other Investments Which Are Carried At Fair Value
The table below provides unrealized gains and losses on AFS debt securities as of the dates presented:

September 30, 2025December 31, 2024
Amortized
Cost
Unrealized
Gains
Unrealized
Losses
Fair ValueAmortized
Cost
Unrealized
Gains
Unrealized
Losses
Fair Value
(Millions)
Available-for-sale securities$193 $— $(19)$174 $195 $— $(25)$170 
Total$193 $— $(19)$174 $195 $— $(25)$170 
Schedule of Debt securities in Gross Unrealized Loss Position
The following tables provide information about AFS debt securities in a gross unrealized loss position and the length of time that individual securities have been in a continuous unrealized loss position, as of the dates presented:

September 30, 2025
Less than 12 months12 Months or GreaterTotal
Fair Value Unrealized
Losses
 Fair Value Unrealized
Losses
 Fair Value Unrealized
Losses
(Millions)
Available-for-sale securities$$— $140 $(19)$142 $(19)
Total$$— $140 $(19)$142 $(19)

December 31, 2024
Less than 12 months12 Months or GreaterTotal
Fair Value Unrealized
Losses
 Fair Value Unrealized
Losses
 Fair Value Unrealized
Losses
(Millions)
Available-for-sale securities$27 $— $140 $(25)$167 $(25)
Total$27 $— $140 $(25)$167 $(25)