Supplemental Statement of Cash Flows Information 2 (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Supplemental Statement of Cash Flows Information (Textual) [Abstract]
Interest payments, net	$ 56	$ 56
Income taxes paid, net	368	190
Excess tax benefits from options exercised included in financing activities	4	6
Assets aquired under capital leases		9
Purchase of software license		20
Share-based incentive awards	47	63
Withholding taxes on share-based incentive awards	28	34
Discretionary stock contributions to CA, Inc. Savings Harvest Plan	$ 28	$ 29

Discretionary stock contributions noncash financing activities.

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- Definition

Purchased Software, Non-Cash Investing Activity

+ References

No definition available.

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- Definition

Withholding taxes on share based incentive awards.

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No definition available.

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- Definition

The increase during the period in capital lease obligations due to entering into new capital leases.

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- Definition

Amount of excess tax benefit (tax deficiency) that arises when compensation cost from non-qualified share-based compensation recognized on the entity's tax return exceeds (is less than) compensation cost from equity-based compensation recognized in financial statements. Excess tax benefit (tax deficiency) increases (decreases) net cash provided by financing activities.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid for interest during the period.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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