Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 343	$ 259
Receivables (net of allowance for doubtful accounts)	1,173	1,009
Receivables of VIEs (net of allowance for doubtful accounts)	2,437	2,144
Inventory	3,199	3,167
Regulatory assets (includes amounts related to VIEs)	2,150	1,641
Other (including amounts related to VIEs)	638	462
Total current assets	9,940	8,682
Property, Plant and Equipment
Cost	161,819	155,580
Accumulated depreciation and amortization	(50,555)	(48,827)
Facilities to be retired, net	144	29
Net property, plant and equipment	111,408	106,782
Other Noncurrent Assets
Goodwill	19,303	19,303
Regulatory assets (includes amounts related to VIEs)	12,487	12,421
Nuclear decommissioning trust funds	10,401	9,114
Operating lease right-of-use assets, net	1,266	1,524
Investments in equity method unconsolidated affiliates	970	961
Other (including amounts related to VIEs)	3,812	3,601
Total other noncurrent assets	48,239	46,924
Total Assets	169,587	162,388
Current Liabilities
Accounts payable	3,629	3,144
Notes payable and commercial paper	3,304	2,873
Taxes accrued	749	482
Interest accrued	533	537
Current maturities of long-term debt (includes amounts related to VIEs)	3,387	4,238
Asset retirement obligations	647	718
Regulatory liabilities	1,211	1,377
Other	2,471	2,936
Total current liabilities	15,931	16,305
Long-Term Debt (includes amounts related to VIEs)	60,448	55,625
Other Noncurrent Liabilities
Deferred income taxes	9,379	9,244
Asset retirement obligations	12,129	12,286
Regulatory liabilities	16,152	15,029
Operating lease liabilities	1,074	1,340
Accrued pension and other post-retirement benefit costs	855	969
Investment tax credits	833	687
Other (includes amounts related to VIEs)	1,650	1,719
Total other noncurrent liabilities	42,072	41,274
Commitments and Contingencies
Equity
Common stock	1	1
Additional paid-in capital	44,371	43,767
Retained earnings	3,265	2,471
Accumulated other comprehensive (loss) income	(303)	(237)
Total Parent stockholders' equity	49,296	47,964
Noncontrolling interests	1,840	1,220
Total equity	51,136	49,184
Total Liabilities and Equity	169,587	162,388
VIEs
Current Assets
Regulatory assets (includes amounts related to VIEs)	105	53
Other (including amounts related to VIEs)	256	296
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,823	937
Other (including amounts related to VIEs)	92	81
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	243	472
Long-Term Debt (includes amounts related to VIEs)	4,854	3,535
Other Noncurrent Liabilities
Other (includes amounts related to VIEs)	319	316
Series A Preferred Stock
Equity
Preferred stock	973	973
Series B Preferred Stock
Equity
Preferred stock	989	989
Duke Energy Carolinas
Current Assets
Cash and cash equivalents	7	21
Receivables (net of allowance for doubtful accounts)	300	247
Receivables of VIEs (net of allowance for doubtful accounts)	844	696
Receivables from affiliated companies	190	124
Inventory	1,026	1,010
Regulatory assets (includes amounts related to VIEs)	544	473
Other (including amounts related to VIEs)	95	20
Total current assets	3,006	2,591
Property, Plant and Equipment
Cost	51,874	50,640
Accumulated depreciation and amortization	(17,854)	(17,453)
Facilities to be retired, net	102
Net property, plant and equipment	34,122	33,187
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	2,935	2,996
Nuclear decommissioning trust funds	5,759	4,977
Operating lease right-of-use assets, net	92	110
Other (including amounts related to VIEs)	1,248	1,187
Total other noncurrent assets	10,034	9,270
Total Assets	47,162	45,048
Current Liabilities
Accounts payable	988	1,000
Accounts payable to affiliated companies	266	199
Notes payable to affiliated companies	226	506
Taxes accrued	274	76
Interest accrued	125	117
Current maturities of long-term debt (includes amounts related to VIEs)	362	506
Asset retirement obligations	249	264
Regulatory liabilities	487	473
Other	546	546
Total current liabilities	3,523	3,687
Long-Term Debt (includes amounts related to VIEs)	12,595	11,412
Long-Term Debt Payable to Affiliated Companies	318	300
Other Noncurrent Liabilities
Deferred income taxes	3,634	3,842
Asset retirement obligations	5,052	5,086
Regulatory liabilities	7,198	6,535
Operating lease liabilities	78	97
Accrued pension and other post-retirement benefit costs	50	73
Investment tax credits	287	236
Other (includes amounts related to VIEs)	536	626
Total other noncurrent liabilities	16,835	16,495
Commitments and Contingencies
Equity
Member's equity	13,897	13,161
Accumulated other comprehensive (loss) income	(6)	(7)
Total member's equity	13,891	13,154
Total Liabilities and Equity	47,162	45,048
Duke Energy Carolinas \| VIEs
Current Assets
Regulatory assets (includes amounts related to VIEs)	12
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	220
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	5
Long-Term Debt (includes amounts related to VIEs)	703
Progress Energy
Current Assets
Cash and cash equivalents	70	59
Receivables (net of allowance for doubtful accounts)	247	228
Receivables of VIEs (net of allowance for doubtful accounts)	1,006	901
Receivables from affiliated companies	121	157
Inventory	1,398	1,375
Regulatory assets (includes amounts related to VIEs)	1,030	758
Other (including amounts related to VIEs)	125	109
Total current assets	3,997	3,587
Property, Plant and Equipment
Cost	60,894	57,892
Accumulated depreciation and amortization	(19,214)	(18,368)
Facilities to be retired, net	26	29
Net property, plant and equipment	41,706	39,553
Other Noncurrent Assets
Goodwill	3,655	3,655
Regulatory assets (includes amounts related to VIEs)	5,909	5,775
Nuclear decommissioning trust funds	4,642	4,137
Operating lease right-of-use assets, net	691	690
Other (including amounts related to VIEs)	1,242	1,227
Total other noncurrent assets	16,139	15,484
Total Assets	61,842	58,624
Current Liabilities
Accounts payable	1,099	919
Accounts payable to affiliated companies	506	289
Notes payable to affiliated companies	2,809	2,969
Taxes accrued	128	121
Interest accrued	192	202
Current maturities of long-term debt (includes amounts related to VIEs)	1,082	1,426
Asset retirement obligations	275	283
Regulatory liabilities	478	640
Other	868	793
Total current liabilities	7,437	7,642
Long-Term Debt (includes amounts related to VIEs)	19,591	17,688
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	4,564	4,396
Asset retirement obligations	5,837	5,866
Regulatory liabilities	5,566	5,051
Operating lease liabilities	606	623
Accrued pension and other post-retirement benefit costs	417	505
Other (includes amounts related to VIEs)	526	462
Total other noncurrent liabilities	17,516	16,903
Commitments and Contingencies
Equity
Additional paid-in capital	9,149	9,143
Retained earnings	8,007	7,109
Accumulated other comprehensive (loss) income	(11)	(15)
Total Parent stockholders' equity	17,145	16,237
Noncontrolling interests	3	4
Total equity	17,148	16,241
Total Liabilities and Equity	61,842	58,624
Progress Energy \| VIEs
Current Assets
Regulatory assets (includes amounts related to VIEs)	93	53
Other (including amounts related to VIEs)	39	39
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,603	937
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	71	305
Long-Term Debt (includes amounts related to VIEs)	2,293	1,252
Duke Energy Progress
Current Assets
Cash and cash equivalents	35	39
Receivables (net of allowance for doubtful accounts)	127	132
Receivables of VIEs (net of allowance for doubtful accounts)	574	500
Receivables from affiliated companies	65	50
Inventory	921	911
Regulatory assets (includes amounts related to VIEs)	533	492
Other (including amounts related to VIEs)	83	60
Total current assets	2,338	2,184
Property, Plant and Equipment
Cost	37,018	35,759
Accumulated depreciation and amortization	(13,387)	(12,801)
Facilities to be retired, net	26	29
Net property, plant and equipment	23,657	22,987
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	4,118	3,976
Nuclear decommissioning trust funds	4,089	3,500
Operating lease right-of-use assets, net	389	346
Other (including amounts related to VIEs)	792	740
Total other noncurrent assets	9,388	8,562
Total Assets	35,383	33,733
Current Liabilities
Accounts payable	476	454
Accounts payable to affiliated companies	310	215
Notes payable to affiliated companies	172	295
Taxes accrued	163	85
Interest accrued	96	99
Current maturities of long-term debt (includes amounts related to VIEs)	556	603
Asset retirement obligations	274	283
Regulatory liabilities	381	530
Other	448	411
Total current liabilities	2,876	2,975
Long-Term Debt (includes amounts related to VIEs)	9,543	8,505
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	2,208	2,298
Asset retirement obligations	5,401	5,352
Regulatory liabilities	4,868	4,394
Operating lease liabilities	350	323
Accrued pension and other post-retirement benefit costs	221	242
Investment tax credits	128	132
Other (includes amounts related to VIEs)	87	102
Total other noncurrent liabilities	13,263	12,843
Commitments and Contingencies
Equity
Total member's equity	9,551	9,260
Total Liabilities and Equity	35,383	33,733
Duke Energy Progress \| VIEs
Current Assets
Regulatory assets (includes amounts related to VIEs)	39
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	720
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	15
Long-Term Debt (includes amounts related to VIEs)	1,097
Duke Energy Florida
Current Assets
Cash and cash equivalents	23	11
Receivables (net of allowance for doubtful accounts)	117	94
Receivables of VIEs (net of allowance for doubtful accounts)	432	401
Receivables from affiliated companies	16	3
Inventory	477	464
Regulatory assets (includes amounts related to VIEs)	497	265
Other (including amounts related to VIEs)	80	41
Total current assets	1,642	1,279
Property, Plant and Equipment
Cost	23,865	22,123
Accumulated depreciation and amortization	(5,819)	(5,560)
Net property, plant and equipment	18,046	16,563
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,791	1,799
Nuclear decommissioning trust funds	553	637
Operating lease right-of-use assets, net	302	344
Other (including amounts related to VIEs)	399	335
Total other noncurrent assets	3,045	3,115
Total Assets	22,733	20,957
Current Liabilities
Accounts payable	623	465
Accounts payable to affiliated companies	209	85
Notes payable to affiliated companies	199	196
Taxes accrued	51	82
Interest accrued	68	69
Current maturities of long-term debt (includes amounts related to VIEs)	76	823
Asset retirement obligations	1
Regulatory liabilities	98	110
Other	408	374
Total current liabilities	1,733	2,204
Long-Term Debt (includes amounts related to VIEs)	8,406	7,092
Other Noncurrent Liabilities
Deferred income taxes	2,434	2,191
Asset retirement obligations	436	514
Regulatory liabilities	698	658
Operating lease liabilities	256	300
Accrued pension and other post-retirement benefit costs	166	231
Other (includes amounts related to VIEs)	309	209
Total other noncurrent liabilities	4,299	4,103
Commitments and Contingencies
Equity
Member's equity	8,298	7,560
Accumulated other comprehensive (loss) income	(3)	(2)
Total member's equity	8,295	7,558
Total Liabilities and Equity	22,733	20,957
Duke Energy Florida \| VIEs
Current Assets
Regulatory assets (includes amounts related to VIEs)	54	53
Other (including amounts related to VIEs)	39	39
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	883	937
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	56	305
Long-Term Debt (includes amounts related to VIEs)	1,196	1,002
Duke Energy Ohio
Current Assets
Cash and cash equivalents	13	14
Receivables (net of allowance for doubtful accounts)	96	98
Receivables from affiliated companies	122	102
Notes receivable from affiliated companies	15
Inventory	116	110
Regulatory assets (includes amounts related to VIEs)	72	39
Other (including amounts related to VIEs)	57	31
Total current assets	491	394
Property, Plant and Equipment
Cost	11,725	11,022
Accumulated depreciation and amortization	(3,106)	(3,013)
Facilities to be retired, net	6
Net property, plant and equipment	8,625	8,009
Other Noncurrent Assets
Goodwill	920	920
Regulatory assets (includes amounts related to VIEs)	635	610
Operating lease right-of-use assets, net	19	20
Other (including amounts related to VIEs)	84	72
Total other noncurrent assets	1,658	1,622
Total Assets	10,774	10,025
Current Liabilities
Accounts payable	348	279
Accounts payable to affiliated companies	64	68
Notes payable to affiliated companies	103	169
Taxes accrued	275	247
Interest accrued	30	31
Current maturities of long-term debt (includes amounts related to VIEs)		50
Asset retirement obligations	13	3
Regulatory liabilities	62	65
Other	82	70
Total current liabilities	977	982
Long-Term Debt (includes amounts related to VIEs)	3,168	3,014
Long-Term Debt Payable to Affiliated Companies	25	25
Other Noncurrent Liabilities
Deferred income taxes	1,050	981
Asset retirement obligations	123	108
Regulatory liabilities	739	748
Operating lease liabilities	18	20
Accrued pension and other post-retirement benefit costs	109	113
Other (includes amounts related to VIEs)	101	99
Total other noncurrent liabilities	2,140	2,069
Commitments and Contingencies
Equity
Common stock	762	762
Additional paid-in capital	3,100	2,776
Retained earnings	602	397
Total Parent stockholders' equity	4,464	3,935
Total Liabilities and Equity	10,774	10,025
Duke Energy Indiana
Current Assets
Cash and cash equivalents	6	7
Receivables (net of allowance for doubtful accounts)	100	55
Receivables from affiliated companies	98	112
Notes receivable from affiliated companies	134
Inventory	418	473
Regulatory assets (includes amounts related to VIEs)	277	125
Other (including amounts related to VIEs)	68	37
Total current assets	1,101	809
Property, Plant and Equipment
Cost	17,343	17,382
Accumulated depreciation and amortization	(5,583)	(5,661)
Net property, plant and equipment	11,760	11,721
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,278	1,203
Operating lease right-of-use assets, net	53	55
Other (including amounts related to VIEs)	296	253
Total other noncurrent assets	1,627	1,511
Total Assets	14,488	14,041
Current Liabilities
Accounts payable	282	188
Accounts payable to affiliated companies	221	88
Notes payable to affiliated companies		131
Taxes accrued	73	62
Interest accrued	49	51
Current maturities of long-term debt (includes amounts related to VIEs)	84	70
Asset retirement obligations	110	168
Regulatory liabilities	127	111
Other	105	83
Total current liabilities	1,051	952
Long-Term Debt (includes amounts related to VIEs)	4,089	3,871
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	1,303	1,228
Asset retirement obligations	877	1,008
Regulatory liabilities	1,565	1,627
Operating lease liabilities	50	53
Accrued pension and other post-retirement benefit costs	167	171
Investment tax credits	177	168
Other (includes amounts related to VIEs)	44	30
Total other noncurrent liabilities	4,183	4,285
Commitments and Contingencies
Equity
Total member's equity	5,015	4,783
Total Liabilities and Equity	14,488	14,041
Piedmont
Current Assets
Receivables (net of allowance for doubtful accounts)	318	250
Receivables from affiliated companies	11	10
Inventory	109	68
Regulatory assets (includes amounts related to VIEs)	141	153
Other (including amounts related to VIEs)	9	20
Total current assets	588	501
Property, Plant and Equipment
Cost	9,918	9,134
Accumulated depreciation and amortization	(1,899)	(1,749)
Facilities to be retired, net	11
Net property, plant and equipment	8,030	7,385
Other Noncurrent Assets
Goodwill	49	49
Regulatory assets (includes amounts related to VIEs)	316	302
Operating lease right-of-use assets, net	16	20
Investments in equity method unconsolidated affiliates	95	88
Other (including amounts related to VIEs)	288	270
Total other noncurrent assets	764	729
Total Assets	9,382	8,615
Current Liabilities
Accounts payable	196	230
Accounts payable to affiliated companies	40	79
Notes payable to affiliated companies	518	530
Taxes accrued	63	23
Interest accrued	37	34
Current maturities of long-term debt (includes amounts related to VIEs)		160
Regulatory liabilities	56	88
Other	81	69
Total current liabilities	991	1,213
Long-Term Debt (includes amounts related to VIEs)	2,968	2,620
Other Noncurrent Liabilities
Deferred income taxes	815	821
Asset retirement obligations	22	20
Regulatory liabilities	1,058	1,044
Operating lease liabilities	14	19
Accrued pension and other post-retirement benefit costs	7	8
Other (includes amounts related to VIEs)	158	155
Total other noncurrent liabilities	2,074	2,067
Commitments and Contingencies
Equity
Common stock	1,635	1,310
Retained earnings	1,714	1,405
Total Parent stockholders' equity	3,349	2,715
Total Liabilities and Equity	$ 9,382	$ 8,615

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