Long-term and Short-term Debt (Narrative) (Details) - senior debt 1.0 billion July 2052 - USD ($) $ in Millions	1 Months Ended
Jul. 31, 2022	Jul. 11, 2022
Debt Instrument, Redemption [Line Items]
Debt Instrument, Face Amount		$ 1,000
Debt Instrument, Interest Rate, Stated Percentage		5.00%
Redemption Premium	$ 11

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant