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Short-Term and Long-Term Loans (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | $ 1,910.9 |  |  |  |
Loans advanced | 506.0 |  | $ 463.9 |  | $ 3,177.7
Repayments | (594.3) |  | (591.8) |  | (2,971.3)
Balance at end of the year | 1,820.3 |  | 1,910.9 |  |
$200 million non-revolving senior secured term loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year |  |  | 70.0 |  |
Repayments |  |  | (70.0) |  |
Balance at end of the year |  |  |  |  | 70.0
La Cima Revolving Senior Secured Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 42.0 |  |  |  |
Loans advanced |  |  | 42.0 |  |
Balance at end of the year | 42.0 |  | 42.0 |  |
$1 billion notes issue |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 991.3 |  | 990.0 |  |
Unwinding of transaction costs | 1.3 |  | 1.3 |  |
Balance at end of the year | 992.6 |  | 991.3 |  | 990.0
$70 million senior secured revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 35.0 |  | 35.0 |  |
Loans advanced | 10.0 |  | 35.0 |  |
Repayments |  |  | (35.0) |  |
Balance at end of the year | 45.0 |  | 35.0 |  | 35.0
$1,510 million term loan and revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 626.0 | [1] | 773.5 |  |
Loans advanced | 400.0 |  | 41.5 |  |
Repayments | (302.0) |  | (189.0) |  |
Balance at end of the year | 724.0 | [1] | 626.0 | [1] | 773.5
R1,500 million Nedbank revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 129.8 |  | 145.1 |  |
Repayments | (129.0) |  |  |  |
Translation adjustment | (0.8) |  | (15.3) |  |
Balance at end of the year |  |  | 129.8 |  | 145.1
Rand revolving credit facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 21.6 |  |  |  |
Loans advanced |  |  | 46.2 |  |
Repayments | (21.5) |  | (21.6) |  |
Translation adjustment | (0.1) |  | (3.0) |  |
Balance at end of the year |  |  | 21.6 |  |
Short-term rand uncommitted credit facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Balance at beginning of the year | 65.2 | [2] | 46.5 |  |
Loans advanced | 96.0 |  | 299.2 |  |
Repayments | (141.8) |  | (276.2) |  |
Translation adjustment | (2.7) |  | (4.3) |  |
Balance at end of the year | $ 16.7 | [2] | $ 65.2 | [2] | $ 46.5
[1] | Borrowings under these facilities are guaranteed by Gold Fields, GF Holdings, Orogen, GFO and GFIJVH. $75.0 million of Facility A matured on November 28, 2015, resulting in the total facility capacity available at December 31, 2015, to be $1,435.0 million.
[2] | The Group utilised uncommitted loan facilities from some of the major banks to fund the capital expenditure and working capital requirements of the South African operation. These facilities have no fixed terms, are short-term in nature and interest rates are market related. Borrowings under these facilities are guaranteed by Gold Fields.

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