Commitments and Contingencies (Purchase Obligations Narrative) (Details) $ in Millions	Mar. 31, 2025 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unrecorded unconditional purchase obligations	$ 3,600
Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year	466
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One	493
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two	433
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three	297
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four	$ 235