XML 227 R136.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Benefit Plans (Estimated Cash Flows) (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Pension Plans | Qualified Plan  
Defined Benefit Plan Disclosure [Line Items]  
Estimated future benefit payments during 2023 $ 326
Estimated future benefit payments during 2024 336
Estimated future benefit payments during 2025 353
Estimated future benefit payments during 2026 356
Estimated future benefit payments during 2027 337
Estimated future benefit payments during 2028-2032 1,691
Pension Plans | Nonqualified Plan  
Defined Benefit Plan Disclosure [Line Items]  
Estimated 2023 employer contributions 25
Estimated future benefit payments during 2023 25
Estimated future benefit payments during 2024 24
Estimated future benefit payments during 2025 24
Estimated future benefit payments during 2026 23
Estimated future benefit payments during 2027 22
Estimated future benefit payments during 2028-2032 96
Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Estimated 2023 employer contributions 23
Estimated future benefit payments during 2023 23
Estimated future benefit payments during 2024 24
Estimated future benefit payments during 2025 23
Estimated future benefit payments during 2026 23
Estimated future benefit payments during 2027 23
Estimated future benefit payments during 2028-2032 $ 106