Commitments And Contingencies (Minimum Contractual Obligations) (Details) $ in Millions	Jun. 30, 2018 USD ($)
Long Term Purchase Commitments
TotalUnconditionalPurchaseObligationBalanceSheetAmount	$ 2,907
TotalUnconditionalPurchaseObligationBalanceSheetAmountRemainingForCurrentFiscalYear	342
Total Unconditional PurchaseObligationBalanceSheetAmountOneYearAfterFiscalYearEnd	460
Total Unconditional Purchase Obligation Balance Sheet Amount Two Years After Fiscal Year End	1,017
TotalUnconditionalPurchaseObligationBalanceSheetAmountThreeYearsAfterFiscalYearEnd	367
TotalUnconditionalPurchaseObligationBalanceSheetAmountFourYearsAfterFiscalYearEnd	160
Total Unconditional Purchase Obligation Balance Sheet Amount Five Years After Fiscal Year End	49
TotalUnconditionalPurchaseObligationBalanceSheetAmountThereafter	512
Developer/Licensor Commitments - Royalty and Non-Royalty Bearing
Long Term Purchase Commitments
Unrecorded Total	897
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	169
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	233
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	213
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	201
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	80
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	1
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	0
Marketing
Long Term Purchase Commitments
Unrecorded Total	326
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	55
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	88
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	83
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	74
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	26
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	0
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	0
Operating leases
Long Term Purchase Commitments
Unrecorded Total	225
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	29
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	39
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	39
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	32
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	25
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	19
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	42
Senior Notes Interest
Long Term Purchase Commitments
Unrecorded Total	206
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	27
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	41
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	41
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	20
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	20
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	19
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	38
Other unrecorded purchase obligations
Long Term Purchase Commitments
Unrecorded Total	104
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	29
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	34
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	14
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	9
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	5
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	3
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	10
Total Unrecorded Unconditional Purchase Obligation [Domain]
Long Term Purchase Commitments
Unrecorded Total	1,758
Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	309
Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	435
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two	390
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three	336
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four	156
Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five	42
Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five	90
Transition tax [Member]
Long Term Purchase Commitments
Recorded Total	39
Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	1
Recorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	0
Recorded Unconditional Purchase Obligation, Due in Rolling Year Two	1
Recorded Unconditional Purchase Obligation, Due in Rolling Year Three	4
Recorded Unconditional Purchase Obligation, Due in Rolling Year Four	4
Recorded Unconditional Purchase Obligation, Due in Rolling Year Five	7
Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five	22
Total Recorded Unconditional Purchase Obligation [Domain]
Long Term Purchase Commitments
Recorded Total	1,149
Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	33
Recorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	25
Recorded Unconditional Purchase Obligation, Due in Rolling Year Two	627
Recorded Unconditional Purchase Obligation, Due in Rolling Year Three	31
Recorded Unconditional Purchase Obligation, Due in Rolling Year Four	4
Recorded Unconditional Purchase Obligation, Due in Rolling Year Five	7
Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five	422
Senior Notes and Interest
Long Term Purchase Commitments
Recorded Total	1,014
Senior Notes Interest
Long Term Purchase Commitments
Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	14
Senior Notes
Long Term Purchase Commitments
Recorded Unconditional Purchase Obligation, Due in Rolling Year Three	600
Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five	400
Licensing and lease obligations
Long Term Purchase Commitments
Recorded Total	96
Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year	18
Recorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months	25
Recorded Unconditional Purchase Obligation, Due in Rolling Year Two	26
Recorded Unconditional Purchase Obligation, Due in Rolling Year Three	27
Recorded Unconditional Purchase Obligation, Due in Rolling Year Four	0
Recorded Unconditional Purchase Obligation, Due in Rolling Year Five	0
Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five	$ 0