Derivative, Original Maturity

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- Definition

Number of Companies that Issued the Warrants (Issuers Portion Only)

+ References

No definition available.

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986

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- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624258-113959

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- Definition

Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4K
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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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-Paragraph 5
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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

+ References

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- 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.

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- Definition

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
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- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Derivatives (Narrative) (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) Boe MMBTU company	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) Boe MMBTU company
Derivative [Line Items]
Derivative assets - Fair value	$ 457,317		$ 602,754
Derivative liabilities - Fair value	344,135		424,828
Credit-risk-related contingent features
Derivative [Line Items]
Aggregate fair value of derivative instruments in net liability position	64,900		107,400
Collateral posted	64,900		106,800
Derivative instruments designated as hedging instruments
Derivative [Line Items]
Derivative assets - Fair value	908		0
Notional Amount	358,936		359,269
Derivative liabilities - Fair value	1,258		2,099
Derivative instruments designated as hedging instruments \| Fair Value Hedging \| Interest Expense
Derivative [Line Items]
Gains or losses recognized on Consolidated Statement of Income related to the derivatives designated as fair value hedges		$ (1,400)
Derivative instruments designated as hedging instruments \| Fair Value Hedging \| Interest Expense \| Deposits
Derivative [Line Items]
Gains or losses recognized on Consolidated Statement of Income related to the derivatives designated as fair value hedges	0
Derivative instruments designated as hedging instruments \| Interest rate contracts \| Cash Flow Hedging
Derivative [Line Items]
Derivative assets - Fair value	0		0
Net unrealized losses, net of tax, recorded in AOCI expected to be reclassified into earnings during next 12 months	(560)
Notional Amount	275,000		275,000
Derivative liabilities - Fair value	1,258		1,864
Derivative instruments designated as hedging instruments \| Interest rate contracts \| Fair Value Hedging
Derivative [Line Items]
Derivative assets - Fair value	0		0
Derivative instruments designated as hedging instruments \| Interest rate contracts \| Fair Value Hedging \| Interest Expense
Derivative [Line Items]
Change in unrealized gains or losses on fair value hedging instruments	0	$ 2,000
Derivatives not designated as hedging instruments
Derivative [Line Items]
Derivative assets - Fair value	456,409		602,754
Notional Amount	22,005,910		21,341,158
Derivative liabilities - Fair value	342,877		422,729
Derivatives not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Derivative assets - Fair value	38,654		30,300
Notional Amount	4,036,958		3,108,488
Derivative liabilities - Fair value	27,287		22,524
Derivatives not designated as hedging instruments \| Interest rate contracts
Derivative [Line Items]
Derivative assets - Fair value	319,049		489,132
Notional Amount	17,891,960		18,155,678
Derivative liabilities - Fair value	229,032		315,834
Derivatives not designated as hedging instruments \| Interest rate contracts \| Financial Counterparty
Derivative [Line Items]
Notional Amount	8,960,000		9,090,000
Derivatives not designated as hedging instruments \| Interest rate contracts \| LCH
Derivative [Line Items]
Derivative assets - Fair value	27,200		1,300
Notional Amount	2,930,000		2,980,000
Derivative liabilities - Fair value	116,200		187,400
Derivatives not designated as hedging instruments \| Credit contracts
Derivative [Line Items]
Derivative assets - Fair value	5		13
Notional Amount	76,992		76,992
Derivative liabilities - Fair value	153		206
Derivatives not designated as hedging instruments \| Credit contracts \| RPAs - protection sold
Derivative [Line Items]
Maximum exposure of RPAs with protection sold	$ 4,900		$ 6,000
Weighted average remaining maturity of outstanding RPAs	3 years 3 months 18 days		3 years 6 months
Derivatives not designated as hedging instruments \| Equity, Public Companies
Derivative [Line Items]
Number of companies that issued the equity (issuers portion only) \| company			2
Derivatives not designated as hedging instruments \| Equity contracts
Derivative [Line Items]
Derivative assets - Fair value	$ 272		$ 858
Notional Amount	0		0
Derivative liabilities - Fair value	0		0
Derivatives not designated as hedging instruments \| Commodity contracts
Derivative [Line Items]
Derivative assets - Fair value	98,429		82,451
Notional Amount	0		0
Derivative liabilities - Fair value	86,405		84,165
Derivatives not designated as hedging instruments \| Commodity contracts \| Chicago Mercantile Exchange (CME)
Derivative [Line Items]
Derivative assets - Fair value	897		7,900
Derivative liabilities - Fair value	10,000		3,700
Derivative assets (liabilities), at fair value, net	$ 0		$ 0
Derivatives not designated as hedging instruments \| Commodity contracts \| Chicago Mercantile Exchange (CME) \| Oil
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure \| Boe	1,320		1,275
Derivatives not designated as hedging instruments \| Commodity contracts \| Chicago Mercantile Exchange (CME) \| Natural gas
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure \| MMBTU	27,850		29,733
Derivatives not designated as hedging instruments \| Equity, Private Companies
Derivative [Line Items]
Number of companies that issued the equity (issuers portion only) \| company	18		17
Maximum \| Derivatives not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Original maturity (in years)	1 year		1 year