XML 207 R172.htm IDEA: XBRL DOCUMENT v3.22.4
SEGMENT INFORMATION - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Operating Revenues $ 12,289,336 $ 9,863,085 $ 8,904,430
Depreciation and Amortization (1,643,100) (1,335,000) (1,159,100)
Other Operating Expenses (8,448,000) (6,534,800) (5,756,600)
Operating Income 2,198,154 1,993,321 1,988,734
Interest Expense (678,274) (582,334) (538,452)
Interest Income 50,500 25,600 4,800
Other Income, Net 295,600 135,700 103,800
Income Tax (Expense)/Benefit (453,574) (344,223) (346,186)
Net Income 1,412,394 1,228,046 1,212,686
Net Income Attributable to Noncontrolling Interests (7,519) (7,519) (7,519)
Net Income Attributable to Common Shareholders 1,404,875 1,220,527 1,205,167
Total Assets (as of) 53,230,900 48,492,144  
Cash Flows Used for Investments in Plant 3,441,852 3,175,080 2,942,996
Operating Segments | Electric Distribution      
Segment Reporting Information [Line Items]      
Operating Revenues 9,405,300 7,423,600 7,132,300
Depreciation and Amortization (970,400) (737,800) (657,000)
Other Operating Expenses (7,663,700) (5,970,000) (5,642,300)
Operating Income 771,200 715,800 833,000
Interest Expense (253,100) (236,400) (216,000)
Interest Income 45,100 20,700 3,200
Other Income, Net 180,400 78,100 58,000
Income Tax (Expense)/Benefit (146,200) (103,500) (129,600)
Net Income 597,400 474,700 548,600
Net Income Attributable to Noncontrolling Interests (4,600) (4,600) (4,600)
Net Income Attributable to Common Shareholders 592,800 470,100 544,000
Total Assets (as of) 27,365,000 25,411,200  
Cash Flows Used for Investments in Plant 1,172,600 1,053,300 1,079,000
Operating Segments | Natural Gas Distribution      
Segment Reporting Information [Line Items]      
Operating Revenues 2,215,600 1,789,600 1,208,700
Depreciation and Amortization (157,600) (142,300) (87,900)
Other Operating Expenses (1,727,000) (1,345,400) (913,800)
Operating Income 331,000 301,900 207,000
Interest Expense (71,400) (58,600) (40,000)
Interest Income 10,200 4,500 900
Other Income, Net 33,600 17,900 3,100
Income Tax (Expense)/Benefit (69,200) (60,900) (36,900)
Net Income 234,200 204,800 134,100
Net Income Attributable to Noncontrolling Interests 0 0 0
Net Income Attributable to Common Shareholders 234,200 204,800 134,100
Total Assets (as of) 8,084,900 7,215,900  
Cash Flows Used for Investments in Plant 710,300 721,100 494,400
Operating Segments | Electric Transmission      
Segment Reporting Information [Line Items]      
Operating Revenues 1,808,700 1,634,600 1,536,100
Depreciation and Amortization (337,400) (300,300) (278,100)
Other Operating Expenses (548,400) (496,200) (470,000)
Operating Income 922,900 838,100 788,000
Interest Expense (145,500) (133,200) (126,800)
Interest Income 500 2,200 4,700
Other Income, Net 37,900 19,800 23,300
Income Tax (Expense)/Benefit (216,300) (179,400) (183,800)
Net Income 599,500 547,500 505,400
Net Income Attributable to Noncontrolling Interests (2,900) (2,900) (2,900)
Net Income Attributable to Common Shareholders 596,600 544,600 502,500
Total Assets (as of) 13,369,500 12,377,800  
Cash Flows Used for Investments in Plant 1,144,000 1,024,100 1,004,600
Operating Segments | Water Distribution      
Segment Reporting Information [Line Items]      
Operating Revenues 222,500 211,300 215,400
Depreciation and Amortization (50,900) (46,100) (44,200)
Other Operating Expenses (111,800) (101,400) (86,600)
Operating Income 59,800 63,800 84,600
Interest Expense (34,700) (32,000) (32,900)
Interest Income 0 0 0
Other Income, Net 8,500 3,300 2,000
Income Tax (Expense)/Benefit 3,200 1,700 (12,500)
Net Income 36,800 36,800 41,200
Net Income Attributable to Noncontrolling Interests 0 0 0
Net Income Attributable to Common Shareholders 36,800 36,800 41,200
Total Assets (as of) 2,783,800 2,551,100  
Cash Flows Used for Investments in Plant 154,400 137,200 118,800
Other      
Segment Reporting Information [Line Items]      
Operating Revenues 1,435,500 1,354,000 1,235,900
Depreciation and Amortization (132,600) (113,100) (93,500)
Other Operating Expenses (1,189,100) (1,170,400) (1,071,900)
Operating Income 113,800 70,500 70,500
Interest Expense (247,800) (168,800) (161,000)
Interest Income 66,300 46,000 37,800
Other Income, Net 1,600,800 1,363,900 1,382,900
Income Tax (Expense)/Benefit (25,100) (2,100) 16,600
Net Income 1,508,000 1,309,500 1,346,800
Net Income Attributable to Noncontrolling Interests 0 0 0
Net Income Attributable to Common Shareholders 1,508,000 1,309,500 1,346,800
Total Assets (as of) 26,365,200 22,674,700  
Cash Flows Used for Investments in Plant 260,600 239,400 246,200
Eliminations      
Segment Reporting Information [Line Items]      
Operating Revenues (2,798,300) (2,550,000) (2,424,000)
Depreciation and Amortization 5,800 4,600 1,600
Other Operating Expenses 2,792,000 2,548,600 2,428,000
Operating Income (500) 3,200 5,600
Interest Expense 74,200 46,600 38,300
Interest Income (71,600) (47,800) (41,800)
Other Income, Net (1,565,600) (1,347,300) (1,365,500)
Income Tax (Expense)/Benefit 0 0 0
Net Income (1,563,500) (1,345,300) (1,363,400)
Net Income Attributable to Noncontrolling Interests 0 0 0
Net Income Attributable to Common Shareholders (1,563,500) (1,345,300) (1,363,400)
Total Assets (as of) (24,737,500) (21,738,600)  
Cash Flows Used for Investments in Plant $ 0 $ 0 $ 0