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POSTRETIREMENT BENEFITS AND EMPLOYEE STOCK OWNERSHIP PLAN - Total Benefit Payments Expected To Be Paid (Details)
$ in Millions
Jun. 30, 2024
USD ($)
Pension Benefits  
EXPECTED BENEFIT PAYMENTS  
2025 $ 635
2026 595
2027 615
2028 666
2029 684
2030 - 2034 3,747
Other Retiree Benefits  
EXPECTED BENEFIT PAYMENTS  
2025 166
2026 179
2027 176
2028 181
2029 187
2030 - 2034 $ 1,032