RISK MANAGEMENT ACTIVITIES AND FAIR VALUE MEASUREMENTS - FINANCIAL ASSETS AND LIABILITIES THAT ARE MEASURED AT FAIR VALUE ON A RECURRING BASIS (DETAILS) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Jun. 30, 2013
Fair Value, Inputs, Level 1 [Member]
Assets at fair value:
Assets, Fair Value Disclosure	$ 6	[1]	$ 23	[1]
Liabilities at fair value:
Liabilities, Fair Value Disclosure	0	[2]	0	[2]
Liabilities recorded & not recorded at fair value	24,747		22,671
Fair Value, Inputs, Level 1 [Member] | US Treasury and Government [Member]
Assets at fair value:
Investment securities	0		0
Fair Value, Inputs, Level 1 [Member] | Corporate Bond Securities [Member]
Assets at fair value:
Investment securities	0		0
Fair Value, Inputs, Level 1 [Member] | Other Investments [Member]
Assets at fair value:
Investment securities	6		23
Fair Value, Inputs, Level 1 [Member] | Other Foreign Currency Instruments
Assets at fair value:
Derivative assets	0	[3]	0	[3]
Liabilities at fair value:
Derivative liabilities	0	[3]	0	[3]
Fair Value, Inputs, Level 1 [Member] | Interest Rate
Assets at fair value:
Derivative assets	0		0
Liabilities at fair value:
Derivative liabilities	0		0
Fair Value, Inputs, Level 1 [Member] | Derivatives in Net Investment Hedging Relationships
Assets at fair value:
Derivative assets	0		0
Liabilities at fair value:
Derivative liabilities	0		0
Fair Value, Inputs, Level 1 [Member] | Foreign currency hedges
Assets at fair value:
Derivative assets	0		0
Fair Value, Inputs, Level 2 [Member]
Assets at fair value:
Assets, Fair Value Disclosure	2,585	[1]	2,182	[1]
Liabilities at fair value:
Liabilities, Fair Value Disclosure	96	[2]	149	[2]
Liabilities recorded & not recorded at fair value	1,778		3,171
Fair Value, Inputs, Level 2 [Member] | US Treasury and Government [Member]
Assets at fair value:
Investment securities	1,631		1,571
Fair Value, Inputs, Level 2 [Member] | Corporate Bond Securities [Member]
Assets at fair value:
Investment securities	497		0
Fair Value, Inputs, Level 2 [Member] | Other Investments [Member]
Assets at fair value:
Investment securities	0		0
Fair Value, Inputs, Level 2 [Member] | Other Foreign Currency Instruments
Assets at fair value:
Derivative assets	24	[3]	19	[3]
Liabilities at fair value:
Derivative liabilities	66	[3]	90	[3]
Fair Value, Inputs, Level 2 [Member] | Interest Rate
Assets at fair value:
Derivative assets	197		191
Liabilities at fair value:
Derivative liabilities	29		59
Fair Value, Inputs, Level 2 [Member] | Derivatives in Net Investment Hedging Relationships
Assets at fair value:
Derivative assets	49		233
Liabilities at fair value:
Derivative liabilities	1		0
Fair Value, Inputs, Level 2 [Member] | Foreign currency hedges
Assets at fair value:
Derivative assets	187		168
Fair Value, Inputs, Level 3 [Member]
Assets at fair value:
Assets, Fair Value Disclosure	24	[1]	24	[1]
Liabilities at fair value:
Liabilities, Fair Value Disclosure	0	[2]	0	[2]
Liabilities recorded & not recorded at fair value	0		0
Fair Value, Inputs, Level 3 [Member] | US Treasury and Government [Member]
Assets at fair value:
Investment securities	0		0
Fair Value, Inputs, Level 3 [Member] | Corporate Bond Securities [Member]
Assets at fair value:
Investment securities	0		0
Fair Value, Inputs, Level 3 [Member] | Other Investments [Member]
Assets at fair value:
Investment securities	24		24
Fair Value, Inputs, Level 3 [Member] | Other Foreign Currency Instruments
Assets at fair value:
Derivative assets	0	[3]	0	[3]
Liabilities at fair value:
Derivative liabilities	0	[3]	0	[3]
Fair Value, Inputs, Level 3 [Member] | Interest Rate
Assets at fair value:
Derivative assets	0		0
Liabilities at fair value:
Derivative liabilities	0		0
Fair Value, Inputs, Level 3 [Member] | Derivatives in Net Investment Hedging Relationships
Assets at fair value:
Derivative assets	0		0
Liabilities at fair value:
Derivative liabilities	0		0
Fair Value, Inputs, Level 3 [Member] | Foreign currency hedges
Assets at fair value:
Derivative assets	0		0
Estimate of Fair Value, Fair Value Disclosure [Member]
Assets at fair value:
Assets, Fair Value Disclosure	2,615	[1]	2,229	[1]
Liabilities at fair value:
Liabilities, Fair Value Disclosure	96	[2]	149	[2]
Liabilities recorded & not recorded at fair value	26,525		25,842
Estimate of Fair Value, Fair Value Disclosure [Member] | US Treasury and Government [Member]
Assets at fair value:
Investment securities	1,631		1,571
Estimate of Fair Value, Fair Value Disclosure [Member] | Corporate Bond Securities [Member]
Assets at fair value:
Investment securities	497		0
Estimate of Fair Value, Fair Value Disclosure [Member] | Other Investments [Member]
Assets at fair value:
Investment securities	30		47
Estimate of Fair Value, Fair Value Disclosure [Member] | Other Foreign Currency Instruments
Assets at fair value:
Derivative assets	24	[3]	19	[3]
Liabilities at fair value:
Derivative liabilities	66	[3]	90	[3]
Estimate of Fair Value, Fair Value Disclosure [Member] | Interest Rate
Assets at fair value:
Derivative assets	197		191
Liabilities at fair value:
Derivative liabilities	29		59
Estimate of Fair Value, Fair Value Disclosure [Member] | Derivatives in Net Investment Hedging Relationships
Assets at fair value:
Derivative assets	49		233
Liabilities at fair value:
Derivative liabilities	1		0
Estimate of Fair Value, Fair Value Disclosure [Member] | Foreign currency hedges
Assets at fair value:
Derivative assets	187		168
Portion at Other than Fair Value, Fair Value Disclosure [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities at fair value:
Long-term Debt, Fair Value	24,747	[4]	22,671	[4]
Portion at Other than Fair Value, Fair Value Disclosure [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities at fair value:
Long-term Debt, Fair Value	1,682	[4]	3,022	[4]
Portion at Other than Fair Value, Fair Value Disclosure [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities at fair value:
Long-term Debt, Fair Value	0	[4]	0	[4]
Portion at Other than Fair Value, Fair Value Disclosure [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Liabilities at fair value:
Long-term Debt, Fair Value	$ 26,429	[4]	$ 25,693	[4]

[1] Investment securities are presented in Available-for-sale investment securities and Other noncurrent assets, except the U.S. government securities are included in Other noncurrent assets in our Consolidated Balance Sheets at June 30, 2013. The amortized cost of the U.S. government securities was $1,649 and $1,604 as of June 30, 2014 and 2013, respectively. All U.S. government securities have contractual maturities between one and five years. The amortized cost of the corporate bond securities was $497 as of June 30, 2014. The amortized cost and fair value of corporate bond securities with maturities of less than a year was $39 as of June 30, 2014. The amortized cost and fair value of corporate bond securities with maturities between one and five years was $458 as of June 30, 2014. Fair values are generally estimated based upon quoted market prices for similar instruments.

[2] All liabilities are presented in accrued and other liabilities or other noncurrent liabilities.

[3] Other foreign currency instruments are comprised of foreign currency financial instruments that do not qualify as hedges.

[4] Long-term debt includes the current portion ($4,400 and $4,540 as of June 30, 2014 and 2013, respectively) of debt instruments. Long-term debt is not recorded at fair value on a recurring basis, but is measured at fair value for disclosure purposes. Fair values are generally estimated based on quoted market prices for identical or similar instruments.