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Short-Term Borrowings and Long-Term Debt (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jul. 31, 2024	May 31, 2024	Mar. 31, 2024
Debt Instrument [Line Items]
Par Value				$ 6,000
Subsequent Event
Debt Instrument [Line Items]
Par Value		$ 12,000
May 2024 364-day revolving bank credit facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Expiration Period	364 days
Par Value			$ 3,000
May 2024 364-day delayed draw term loan
Debt Instrument [Line Items]
Line of Credit Facility, Expiration Period	364 days
Par Value			$ 5,000
Commercial Paper [Member]
Debt Instrument [Line Items]
Commercial Paper	$ 9,900
Short-term Debt, Weighted Average Interest Rate, at Point in Time	5.40%

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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