Contingencies (Details) $ in Millions	Sep. 30, 2023 USD ($)
Recorded Unconditional Purchase Obligation [Line Items]
Recorded Unconditional Purchase Obligation, to be Paid, Year One	$ 2,426
Recorded Unconditional Purchase Obligation, to be Paid, Year Two	1,893
Recorded Unconditional Purchase Obligation, to be Paid, Year Three	343
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four	182
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five	51
Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five	146
Recorded Unconditional Purchase Obligation	$ 5,041