XML 82 R60.htm IDEA: XBRL DOCUMENT
v3.22.4

Derivative Financial Instruments (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Futures | 12 Months Ended
--- | ---
Dec. 31, 2022 T
Aluminum | Long |
Derivative [Line Items] |
Commodity contract (in MT/Lbs) | 8,750
Aluminum | Short |
Derivative [Line Items] |
Commodity contract (in MT/Lbs) | 13,850
Copper | Long |
Derivative [Line Items] |
Commodity contract (in MT/Lbs) | 10,250
Copper | Short |
Derivative [Line Items] |
Commodity contract (in MT/Lbs) | 28,822

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal mass used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountMass
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_FutureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=stld_AluminumCommodityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=stld_CopperCommodityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |