Commitments and Contingencies (Purchase Obligations Narrative) (Details) $ in Millions	Sep. 30, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unrecorded unconditional purchase obligations	$ 3,700
Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year	182
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One	589
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two	472
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three	416
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four	$ 276