Condensed Consolidated Balance Sheets - Piedmont - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	$ 3,120	$ 2,437
Inventory	3,487	3,199
Regulatory assets (includes amounts related to VIEs)	3,576	2,150
Other (includes amounts related to VIEs)	1,244	638
Total current assets	12,972	9,940
Property, Plant and Equipment
Cost	169,053	161,819
Accumulated depreciation and amortization	(53,241)	(50,555)
Facilities to be retired, net	95	144
Net property, plant and equipment	115,907	111,408
Other Noncurrent Assets
Goodwill	19,303	19,303
Regulatory assets (includes amounts related to VIEs)	13,835	12,487
Operating lease right-of-use assets, net	1,199	1,266
Investments in equity method unconsolidated affiliates	951	970
Other (includes amounts related to VIEs)	4,050	3,812
Total other noncurrent assets	47,461	48,239
Total Assets	176,340	169,587
Current Liabilities
Accounts payable	4,175	3,629
Taxes accrued	946	749
Interest accrued	596	533
Regulatory liabilities	1,338	1,211
Other	2,204	2,471
Total current liabilities	16,912	15,931
Long-Term Debt (includes amounts related to VIEs)	66,060	60,448
Other Noncurrent Liabilities
Deferred income taxes	10,244	9,379
Asset retirement obligations	12,152	12,129
Regulatory liabilities	14,017	16,152
Operating lease liabilities	1,004	1,074
Accrued pension and other post-retirement benefit costs	995	855
Other (includes amounts related to VIEs)	1,936	1,650
Total other noncurrent liabilities	41,199	42,072
Commitments and Contingencies
Equity
Common stock	1	1
Retained earnings	4,063	3,265
Total Duke Energy Corporation stockholders' equity	50,345	49,296
Total Liabilities and Equity	176,340	169,587
Piedmont
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	116	318
Receivables from affiliated companies	10	11
Inventory	135	109
Regulatory assets (includes amounts related to VIEs)	161	141
Other (includes amounts related to VIEs)	90	9
Total current assets	512	588
Property, Plant and Equipment
Cost	10,561	9,918
Accumulated depreciation and amortization	(2,028)	(1,899)
Facilities to be retired, net	9	11
Net property, plant and equipment	8,542	8,030
Other Noncurrent Assets
Goodwill	49	49
Regulatory assets (includes amounts related to VIEs)	379	316
Operating lease right-of-use assets, net	13	16
Investments in equity method unconsolidated affiliates	79	95
Other (includes amounts related to VIEs)	299	288
Total other noncurrent assets	819	764
Total Assets	9,873	9,382
Current Liabilities
Accounts payable	284	196
Accounts payable to affiliated companies	35	40
Notes payable to affiliated companies	308	518
Taxes accrued	45	63
Interest accrued	43	37
Regulatory liabilities	65	56
Other	84	81
Total current liabilities	864	991
Long-Term Debt (includes amounts related to VIEs)	3,363	2,968
Other Noncurrent Liabilities
Deferred income taxes	870	815
Asset retirement obligations	23	22
Regulatory liabilities	1,032	1,058
Operating lease liabilities	11	14
Accrued pension and other post-retirement benefit costs	7	7
Other (includes amounts related to VIEs)	174	158
Total other noncurrent liabilities	2,117	2,074
Commitments and Contingencies
Equity
Common stock	1,635	1,635
Retained earnings	1,894	1,714
Total Duke Energy Corporation stockholders' equity	3,529	3,349
Total Liabilities and Equity	$ 9,873	$ 9,382