Finance Receivables Delinquency (Details) (Consumer Finance Receivables, USD $) In Millions, unless otherwise specified	Jun. 30, 2014 Rate	Jun. 30, 2013 Rate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 31 To 60 Days Past Due	$ 886	$ 645
Financing Receivable Recorded Investment Greater Than 60 Days Past Due	388	253
Financing Receivable Recorded Investment Greater Than 30 Days Past Due	1,274	898
Financing Receivable Recorded Investment Pass Due and in Repossession	40	35
Financing Receivable, Recorded Investment, Past Due	1,314	933
Financing Receivable Recorded Investment 31 To 60 Days Past Due Percentage Of Contractual Amount	3.50%	3.40%
Financing Receivables Greater than 60 Days Past Due Percent of Contractual Amount due	1.60%	1.40%
Financing Receivable Greater than 30 Days Past Due Percent of Contractual Amount due	5.10%	4.80%
Financing Receivables Recorded Investment Pass Due and in Repossession Percent of Contractual Amount	0.10%	0.20%
Percent of Contractual Amount Due	5.20%	5.00%
North America Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 31 To 60 Days Past Due	756	601
Financing Receivable Recorded Investment Greater Than 60 Days Past Due	255	208
Financing Receivable Recorded Investment Greater Than 30 Days Past Due	1,011	809
Financing Receivable Recorded Investment Pass Due and in Repossession	35	31
Financing Receivable, Recorded Investment, Past Due	1,046	840
International Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 31 To 60 Days Past Due	130	44
Financing Receivable Recorded Investment Greater Than 60 Days Past Due	133	45
Financing Receivable Recorded Investment Greater Than 30 Days Past Due	263	89
Financing Receivable Recorded Investment Pass Due and in Repossession	5	4
Financing Receivable, Recorded Investment, Past Due	$ 268	$ 93