NRG ENERGY, INC. | 2013 | FY | 3

Cash Flow Information
Detail of supplemental disclosures of cash flow and non-cash investing and financing information was:
 
Year Ended December 31,
 
2013
 
2012
 
2011
 
(In millions)
Interest paid, net of amount capitalized
$
836

 
$
579

 
$
642

Income taxes (refunded)/paid (a)
(60
)
 
17

 
26

Non-cash investing and financing activities:
 
 
 
 
 
Additions to fixed assets for accrued capital expenditures
405

 
563

 
292

Decrease to fixed assets for accrued grants and related tax impact
(681
)
 
(87
)
 
(32
)
Decrease to notes receivable for equity conversion
—

 
—

 
63

Issuance of shares for GenOn acquisition
—

 
(2,188
)
 
—


(a) In 2013, the net income taxes refunded are net of $28 million income taxes paid and $87 million income tax refunds. No tax refunds were received in 2012. In 2011, income taxes paid are net of $8 million of income tax refunds received.

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