Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Aggregate Contractual Or Notional Amounts And Estimated Fair Values

A summary of the aggregate contractual or notional amounts and estimated fair values related to derivative financial instruments at December 31, 2020 and 2019 is as follows:

	Contractual/ Notional Amount		Balance Sheet Location	Estimated Fair Value
				Asset		(Liability)
December 31, 2020
Hedging instruments
Interest rate swaps - fixed to floating	$	575	Other assets/other liabilities	$	37	$	—
Non-hedging instruments
Interest rate swaps	27		Equity securities	—		—
Futures	183		Equity securities	6		(5)
Subtotal non-hedging	210		Subtotal non-hedging	6		(5)
Total derivatives	$	785	Total derivatives	43		(5)
			Amounts netted	—		—
			Net derivatives	$	43	$	(5)
December 31, 2019
Hedging instruments
Interest rate swaps - fixed to floating	$	1,200	Other assets/other liabilities	$	22	$	(1)
Non-hedging instruments
Interest rate swaps	1		Equity securities	—		—
Futures	134		Equity securities	1		—
Subtotal non-hedging	135		Subtotal non-hedging	1		—
Total derivatives	$	1,335	Total derivatives	23		(1)
			Amounts netted	(1)		1
			Net derivatives	$	22	$	—

Summary Of Outstanding Fair Value Hedges

A summary of our outstanding fair value hedges at December 31, 2020 and 2019 is as follows:

Type of Fair Value Hedges	Year Entered Into	Outstanding Notional Amount				Interest Rate Received		Expiration Date
		2020		2019
Interest rate swap	2020	$	75	$	—	4.101	%	September 1, 2027
Interest rate swap	2018	50		50		4.101		September 1, 2027
Interest rate swap	2018	450		450		3.300		January 15, 2023
Interest rate swap	2018	—		90		4.350		August 15, 2020
Interest rate swap	2017	—		50		4.350		August 15, 2020
Interest rate swap	2015	—		200		4.350		August 15, 2020
Interest rate swap	2014	—		150		4.350		August 15, 2020
Interest rate swap	2013	—		10		4.350		August 15, 2020
Interest rate swap	2012	—		200		4.350		August 15, 2020
Total notional amount outstanding		$	575	$	1,200

Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location

The following amounts were recorded on our consolidated balance sheets related to cumulative basis adjustments for fair value hedges at December 31, 2020 and 2019:

Balance Sheet Classification in Which Hedged Item is Included	Carrying Amount of Hedged Liability				Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Liability
	2020		2019		2020		2019
Current portion of long term-debt	$	700	$	1,598	$	37	$	22
Long-term debt	19,335		17,787		—		(1)

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)

A summary of the effect of cash flow hedges in accumulated other comprehensive income (loss) for the years ended December 31, 2020, 2019 and 2018 is as follows:

	Hedge Loss Recognized in Other Comprehensive Income (Loss)		Income Statement Location of Loss Reclassification from Accumulated Other Comprehensive Income (Loss)	Hedge Loss Reclassified from Accumulated Other Comprehensive Income (Loss)
Type of Cash Flow Hedge
Year ended December 31, 2020
Forward starting pay fixed swaps	$	—	Interest expense	$	(15)
Year ended December 31, 2019
Forward starting pay fixed swaps	(35)		Interest expense	(15)
Year ended December 31, 2018
Forward starting pay fixed swaps	(33)		Interest expense	(14)

Income Statement Relationship of Fair Value and Cash Flow Hedging

A summary of the relationship between the effects of fair value and cash flow hedges on the total amount of income and expense presented in our consolidated statements of income for the years ended December 31, 2020, 2019 and 2018 is as follows:

	Classification and Amount of Gain (Loss) Recognized in Income on Fair Value and Cash Flow Hedging Relationships
	2020				2019				2018
	Net Realized Gains (Losses) on Financial Instruments		Interest Expense		Net Realized Gains (Losses) on Financial Instruments		Interest Expense		Net Realized Gains (Losses) on Financial Instruments		Interest Expense
Total amount of income or expense in the income statement in which the effects of fair value or cash flow hedges are recorded	$	182	$	(784)	$	67	$	(746)	$	(206)	$	(753)
Gain (loss) on fair value hedging relationships:
Interest rate swaps:
Hedged items	—		(15)		—		2		—		—
Derivatives designated as hedging instruments	—		15		—		(2)		—		—
Loss on cash flow hedging relationships:
Forward starting pay fixed swaps:
Amount of loss reclassified from accumulated other comprehensive loss into net income	—		(15)		—		(15)		—		(14)

Effect Of Non-Hedging Derivatives On Income Statement And Included In Net Realized Gains (Losses) On Financial Instruments

A summary of the effect of non-hedging derivatives on our consolidated statements of income for the years ended December 31, 2020, 2019 and 2018 is as follows:

Type of Non-hedging Derivatives	Income Statement Location of Gain (Loss) Recognized	Derivative Gain (Loss) Recognized
Year ended December 31, 2020
Interest rate swaps	Net realized gains (losses) on financial instruments	$	(1)
Options	Net realized gains (losses) on financial instruments	(5)
Futures	Net realized gains (losses) on financial instruments	4
Total		$	(2)
Year ended December 31, 2019
Interest rate swaps	Net realized gains (losses) on financial instruments	$	1
Options	Net realized gains (losses) on financial instruments	(8)
Futures	Net realized gains (losses) on financial instruments	(10)
Total		$	(17)
Year ended December 31, 2018
Interest rate swaps	Net realized gains (losses) on financial instruments	$	14
Options	Net realized gains (losses) on financial instruments	1
Futures	Net realized gains (losses) on financial instruments	8
Total		$	23